Which of these statements is true
a. there was a causal relationship between submarine warfare and new shipping technology.

b. there was a causal relationship between world war l and a worldwide outbreak of disease

c. there was a casi relationship between medical advancements and the influenza outbreak

d. there was a causal relationship between economic chaos and increased food production

Robert morris proposed a 10 percent tax on imported goods to pay the national debt. true or false

What actions did americans take to show their patriotism after pearl harbor?

Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.