2. the social change brought about by the industrial revolution was evident in the (1 point)

emergence of the middle class and the working class.
growing death rates, due to accidents on the highways.
thick air pollution that choked the british isles.

What did president roosevelt do to aid panama in becoming an independent country? a. he negotiated a peace treaty with nicaragua to purchase the land. b. he invaded colombia to establish a us base for defense. c. he placed warships around panama to block sea lanes. d. he used dollar diplomacy to block imports to nicaragua.