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Why were the Seven Days' Battles important?

The Seven Days' Battles occurred from June 25 to July 1, 1862. The Battle of Oak Grove on June 25 cost both sides over 1,000 casualties and enabled the Union army to advance only 600 yards. The following day, Lee attacked at Beaver Creek Dam, but due to poor coordination, the Confederate army did not achieve its objectives. Inexplicably, however, McClellan began to retreat. After the Battle of Gaines' Mill, a major Confederate attack, McClellan abandoned his plan to take Richmond and ordered his army to withdraw, despite having substantial remaining forces and a strong position.\nThe..

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Why did Russia withdraw from World War I?

The Russian military experienced negative outcomes from virtually the beginning of the war, according to the BBC. Even though they were able to mobilize faster than their enemies had anticipated, they were still unprepared, being outgunned and outclassed by their German adversaries. Despite a brief rebound in 1916, things managed to get worse for the Russians. Political disorder at home was exacerbated by charges of treason in the royal palace itself. According to BBC History, even the czar's daughter fell under suspicion of spying for the Germans. By 1917, food riots and mutiny within th..

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Who invented the electric streetcar?

Most streetcars prior to 1888 were drawn by horses. Attempts were made in 1873 to replace horse-drawn cars with cable cars that ran on cables hidden underneath the streets. Most cities, however, converted to electric cars that ran on overhead wires. Electric cars were powered by long poles that extended from the roof to the wires. These cars became known as trolleys, named after the trawler device connecting the cars to the overhead wires.

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When was the pulley invented?

A pulley is a wheel with two raised edges so a rope can stay on the wheel without coming off as it is rolled. Sometimes a pulley is referred to as a block and tackle. A pulley can be used in many different ways, but one of its most common functions is to make it easier for one person to lift a heavy item.

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Why is George Washington a hero?

During his first year as commander in chief, the Continental Army suffered a few defeats and the men fighting were ready to give up. Washington, however, was determined to renew their motivation and their passion for the cause. In December of the same year, Washington led his men silently across the Delaware River where they ambushed the British troops. This was only the beginning of the army's victories; a week later, they defeated troops in New Jersey.With renewed encouragement to keep fighting, the army was able to continue winning battles during the next few years until they were able..

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How did Barack Obama meet his wife?

According to Biography.com, Sidley Austin assigned Michelle to mentor Barack since they both attended Harvard Law School. The two began seeing each other socially during Barack's internship, and after he went back to Massachusetts to continue his Harvard education, the pair continued the relationship despite the distance. While Barack was initially hesitant towards Michelle's suggestions of marriage, he proposed to Michelle in Chicago in 1991.

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Why did the Knights of Labor fail?

The Knights of Labor developed throughout the 1870s. Workers joined the Knights of Labor in large groups to demand fair pay, eight-hour work days and other political reforms. They approached these goals through active demonstrations, boycotts and strikes. The union was secret throughout much of the 1870s until Terence Powderly became its head in 1879; he advocated open membership and more direct attempts to reach their goals.\nUnder Powderly, the Knights of Labor flourished, peaking with 700,000 members in 1886; however, as the union grew, so too did unrest with Powderly's policies, espec..

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What are some facts about the Olmec Government?

The Olmec state was formed around 1200 B.C., and it was one of the earliest states in Mesoamerica. The exact structure of the Olmec government is unknown, but it is believed that strong ties existed between government and religion. Local rulers were in charge of enforcing the law, overseeing trade and dealing with military issues. The religious and political center of the Olmecs was in what is today called San Lorenzo Tenochtitlan, south of modern Veracruz. The Olmec state ceased to exist by 400 B.C.

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When did Anton Von Leeuwenhoek invent the microscope?

Leeuwenhoek's skill at grinding microscope lenses, combined with his eyesight and use of lighting, allowed his microscopes to magnify up to 200 times. By comparison, early compound microscopes could only magnify up to 30 to 40 times. His first scientific observation on bee mouths and stings was delivered to the Royal Society in 1673

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Who was Bartolomeu Dias?

Many European monarchs of the 15th century dreamed of finding a viable sea route to India. At that time, valuable spices were exported via a land route through the Middle East, passing through many different middlemen and inflating costs. A direct sea route would have allowed merchants to bypass this system, vastly reducing prices and increasing economic opportunity.\nAfter Dias' first expedition failed, Portugal halted its attempts to open a trade route with India for more than a decade. Dias served on Vasco da Gama's expedition that finally reached India in 1498, although he did no..

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