What caused scientists such as robert goddard, konstantin tsiolkovsky, and hermann oberth to experiment with rocket technology in the early twentieth century?

a)to launch of artificial satellites

b)to explore "the last frontier"

c)to their countries win the space race

d)to their government spy on enemies

e)to gain victory in wars

Hich answer supports the statement, "the state constitution is more detailed than the u.s. constitution"? a) the u.s. constitution was created after state constitutions had been established. b) the u.s. constitution only exists because the state constitutions allowed it to be created. c) the articles in the state constitution do not deal with amendments like the u.s. constitution does. d) the articles in the state constitution deal with more specific issues than does the u.s. constitution.