Answer: They got the news from the newspaper
<span> the </span>United States<span> gave over $12 billion</span><span> in economic support to help rebuild Western European economies after the end of </span>World War II. <span>The goals of the United States were to rebuild war-devastated regions, remove </span>trade barriers<span>, modernize industry, make Europe prosperous once more, and prevent the spread of </span>communism<span>.</span>
The correct answer is A intervention. The United states sent troops to protect south Korea and help to invade and fight against north Korea.<span />
To my knowledge, the correct answer among all of the given choices is C.) Steam. If I'm not mistaken, this was the time that more trains came into use.
I hope this is the answer you were looking for and that it helps!! :)
i would say that it would be B