Answer:
machine guns
Explanation:
machine guns had the biggest impact because of the amount of people it could kill
New Deal, the domestic program of the administration of U.S. President Franklin D. Roosevelt between 1933 and 1939, which took action to bring about immediate economic relief as well as reforms in industry, agriculture, finance, waterpower, labour, and housing, vastly increasing the scope of the federal government’s activities.
The final reason for Germany's failure in World War I was its decision to carry out submarine attack against merchant ships in the Atlantic Ocean during the war. Germany launched many U-boats (submarines) during World War I and used them to try to force Britain from the war.
Explanation:
Answer:
They believed that it was their destiny to expand their territory and spread their beliefs across the world. The United States viewed Latin America as a savage place that needed saving. Americans believed that they were helping people. ... The United States viewed itself as the sole power in the Western Hemisphere. hope it helps