How were the Japanese able to surprise the US at Pearl Harbor? Japanese land forces had invaded Hawaii unnoticed. Japanese submarines invaded Pearl Harbor unnoticed. Japanese airplanes had flown to the US mainland unnoticed. Japanese aircraft carriers had approached Hawaii unnoticed.

The system of checks and balances was designed for what purpose? fear of strong state power to keep power out of one branch to appease the southern states to allow the judicial branch to have equal power

Which of these were effects of mass production techniques used during 1920s

June 19 is often a holiday in texas. it is emancipation day. what important event happened on emancipation day? a) it marks the end of slavery in texas. b) it marks end of the texas revolution. c) it marks the day texas became a state. d) it marks the last battle of the texas revolution.