Which region was most affected by president theodore roosevelt’s big stick policy? europe
africa
latin america
asia

The correct answer is - Latin America.

The Big Stick policy that is associated with Roosevelt, was mostly implemented by him in the Latin American region. The most noticeable results of this policy in Latin America were the United States's help to Panama to secede from Colombia, as well as the creation of the Panama canal that was of great economic value and strategic interest for the United States.

d. the right to establish a one-house legislature