By the time American troops entered World War 1 the Allies were exhausted after years of fighting. The correct option among all the options that are given in the question is the third option or option "c". The entry of Americans in the war boosted the morale of the Allied army. I hope the answer comes to your help.
Answer:
I think B.the agreement to buy Lovely's Purchase from the Osage.
In the market economy, the decisions in the farm will be guided by the prices.
<h3>What is a market economy?</h3>
It should be noted that a market economy is when the forces of demand and supply determine the market.
In this case, in the market economy, the decisions in the farm will be guided by the price. The individuals also have a vital role to play.
Learn more about market economy on:
brainly.com/question/1659498
#SPJ1