North America 1843
By the early 1840s, American settlers, arriving overland in increasing numbers along what became known as the Oregon Trail, were ...
North America 1944
America in World War II
Following the Japanese attack on Pearl Harbor, Germany declared war on the United States, bringing its U-boat campaign to the ...
North America 1949
North Atlantic Treaty
World War II left the United States and the Soviet Union as the dominant powers in Europe. Relations between the ...