What is a idiom? i really need to know cause i was wondering me! i'm yeah!

Why did france demand that germany repay their debts in foreign currency?

How did inca develop their road system? a) they used mortar to hold the stones together. b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks. d) they laid roads in the cities, not in the less densely populated deserts.

Examine the dates in this timeline: • 1918: the ottoman empire loses control of iraq to the britishfollowing world war i.• 1932: the kingdom of iraq is granted its independence from greatbritain• 1945: mustafa barzani leads a failed rebellion against the iraqigovernment• 1948: the al-wathbah uprising results in protests against the iraqigovernment before it is violently suppressed.• 1958: the kingdom of iraq is overthrown by military leaders whoestablish the republic of iraq,• 1980: iraq invades iran, launching the iran iraq war.• 1990: iraq invades kuwait but is defeated by united nations forcesled by the united states.• 2003: the united states and its allies invade iraq and remove itsdictator, saddam hussein. which title would best suit the period in iraqi history from 1980 through1990? a. the era of political instability and protestb. the era of american involvementc. the era of iraqi aggressiond. the era of early iraqi independence