One result of the smoot-hawley tariff act of 1930, which increased tariffs on imports to the united states, was that a) imports of foreign products increased. b) exports of american products increased. c) america's trading partners raised their tariffs. d) america's trading partners lowered their tariffs.

the answer is d. tariffs were raised by america's trading partners after the smoot-hawley tariff act, decreasing exports, and declining job rates.

c. troops marched forward in close formation against newer, more accurate weapons

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.