Sure? Big books contain a ton of info but may seem overwhelming to most young ones. Hence the reason most children's books are small.
I think the first one is the correct answer
<span>unwilling to resolve issues through diplomacy</span>
The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative to aid Western Europe, in which the United States gave over $12 billion (nearly $100 billion in 2016 US dollars) in economic assistance to help rebuild Western European economies after the end of World War II.
The main reason why the US joined the war was because multiple attack on passenger and merchant ships with submarine attacks .The final straw was when the RMS Lusitania by a German u-boat going to Liverpool England .