In 1945, which country developed the first atomic bomb?

From which of the following literary works is this quotation most likely taken?

By the late 1930s, how were u.s. officials beginning to view japanese policies of expansion? a. they attempted to join forces with japan so as to increase u.s. territory. b. they warned them to stop expansionist actions or face potential u.s. intervention. c. they sent representatives to japan to work out territorial rights in a diplomatic fashion. d. they became fearful of their military power

What were the social, economic, and political characteristics of spanish and portuguese rule in latin america?