HEY! I need help (urgently!)

What is mainly the purpose of this section?

“The united states transitioned from
trade restrictions during the Great Depression to distributing massive amounts of exports via the Lend-Lease Act of 1941. The act allowed the government to send defense supplies to countries like Great Britain.”

A. to include an example of how the government helped improve the bad economy

B. to describe how the United States government grew its relationship with Great Britain

C. To explain how the great Depression hurt the united states’ international trade

D. to analyze how different historical events have shaped the united states economy

PLEASE HELO ASAP THANKS <3!