In the civil war 750,000 Americans died.
Films promoting the war was made and many actors at the time served in the armed forces
Land surrounding the Panama Canal is very fertile. The warm tropical weather is good for growing things. The original river and later the building of canal made trading very convenient. So there are a lot of industries developed in that region.
D. Universal suffrage for women
<span>The United States experienced major waves of immigration during the colonial era, the first part of the 19th century and from the 1880s to 1920. Many immigrants came to America seeking greater economic opportunity, while some, such as the Pilgrims in the early 1600s, arrived in search of religious freedom.
Here is the website I got this information from:
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www.history.com/topics/u-s-immigration-before-1965
