What is a coalition? a political alliance, a powerful army, a military target, or a combat strategy

The correct answer is a: A political alliance.

It actually refers to a group of two or three persons, or states or political and military parties that start working together in partnership to obtain a common purpose  

A coalition is a political alliance.

A coalition refers to the alliance of different political parties, factions, states, nations or groups to achieve a particular purpose combined into one body. Usually, this alliance is made for a limited time. It could also make reference to a government that was formed in this way.

russia and the united states we're at a verbal war that was nuclear russia wanted more power and to take over more countries

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.