Which of the Following Was NOT a Reason U

Which of the following was NOT a reason U.S.manufacturers were eager to find overseas markets and chose to sell to less industrialized countries?

A) Powerful European industries made it difficult for most American manufacturers to sell to European markets.
B) U.S.manufacturers' output had far outstretched the nation's ability to consume.
C) They worried that economic downturns would lead to increased strikes and the radicalization of workers.
D) Most of Asia and Africa had yet to be colonized by Europeans and offered easy market entry.