How were wernher von braun's v-2 rockets used in the 1940s? a. to launch artificial satellites from new york b. to launch satellites from germany c. to carry out aerial attacks on london, england d. to set up the international space station

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.