A cycle of expansion and contraction phases that a nation's economy experiences over time is .

Which of the following best states am argument of french philosopher jean-jacques rousseau

Trench warfare began after germany failed in its initial plan to seize france and bring a quick end to the war. negotiate a temporary truce with the allied forces. attack the allies by sea with its powerful navy. storm across the eastern front to attack russia.

Brainliestttme : ) what are trading blocs and what is the impact of international cooperation?