The correct answer is C. they were dangerous
At that time, strikes were never encouraged by the government, and the wages and job security were never guaranteed. Which are some of the many reasons why strikes were organized.
The British troops marched to lexington and concord to get battle supplies and that is where the first event of the war happened. A famous gun shot was shot out, but nobody knows who did it. The events mark the start of the revolution becuase it was the first battle of the revolution.
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Civilizations developed around rivers because their waters provided places to hunt and fish.
Also, as the rivers flooded, the lands around them became fertile. This allowed them to support farming.
In addition, because they provided a steady supply of drinking water.
Moreover, goods and people could be transported easily
Finally, River valleys not only have water, they also often have a broad, flat floodplain that is readily adapted to agriculture.
He replaced General McDowell with General McClellan