I'm pretty sure it's either A or B. I hope this helps!
The answer is B. Allowed information to be copied and shared quickly
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.
<span>The unanimous Supreme Court decision in Brown v. Board of Education was written by "Justice Warren," since he was the leader of the court at the time and this was a monumental decision. </span>