Which of these best explains the presence of the united states in china at the start of the 20th century?

Those who favored American imperial expansion in the late 19th and early 20th century believed it would.

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

the answer would be:

b. race