Besties my brain isn’t working right now pls help besties please pls help 20. Which two examples of modern military technology had the greatest impact on the course of World War I? How did each technology have the greatest impact on the course of the war?
Explain.

21. Explain how imperialism contributed to the outbreak of World War I.

1.  Modern military technology, U-boats and poison gas, had major impact throughout the Great War. This type of modern military technology, U-boats, were German submarines.

2.The major impact of technology on World War I was that it made the war much more difficult for the infantry soldiers who did most of the fighting. The new technologies led to trench warfare and the lack of new tactics led to massive slaughter at the hands of the new technology.

3. Nations competed for more land, colonies and raw materials. Great Britain and Germany competed industrially, which led to these nations needing more raw materials. Also, Austria-Hungary controlling the Slavic land of Bosnia, which Serbia believed belonged to them.

Explanation:

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when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.