What was the first message ever sent in morse code? ?

What was the most significant result of the opium wars? a. china’s navy was exposed as incompetent. b. china could no longer impose tariffs. c. they increased britain’s influence in china. d. they decreased europe’s influence in china.

How does the power of the supreme court act as a check on the other branches of government

How were the economies of the inca empire and ancient river valley civilizations such as egypt and phoenicia different?