What effect did military technology have on civil war soldiers?

New technology in naval warfare included ironclads and submarines. The Civil War was the first major war that involved ironclad ships. These were ships that were protected by steel or iron armor plates. They were nearly impossible to sink with conventional weapons and forever changed the way ships were used in battle.

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World War II ended six years and one day after Germany’s invasion of Poland on September 1, 1939, sparked the 20th century’s second global conflict. By the time it concluded on the deck of an American warship on September 2, 1945, World War II had claimed the lives of an estimated 60-80 million people, approximately 3 percent of the world’s population. The vast majority of those who died in history’s deadliest war were civilians, including 6 million Jews killed in Nazi concentration camps during the Holocaust.

Germany employed its “blitzkrieg” (“lightning war”) strategy to sweep across the Netherlands, Belgium and France in the war’s opening months and force more than 300,000 British and other Allied troops to evacuate continental Europe from Dunkirk. In June 1941, German dictator Adolf Hitler broke his nonaggression pact with the Soviet Union and launched Operation Barbarossa, which brought Nazi troops to the gates of Moscow.

By the time the United States entered World War II following the Japanese bombing of Pearl Harbor, German forces occupied much of Europe from the Black Sea to the English Channel. The Allies, however, turned the tide of the conflict, and the following major events brought World War II to an end.