It could be said that the clergy, or church officials, were the most influential people in medieval society. True or false

answer; i believe its a

b. the 200th birthday of the united states

germany

explanation:

a rocket engine utilizes collected rocket explosive mass for producing its high-speed propulsive jet. rocket engines are effect engines, achieving thrust in accordance with newton's third law. maximum rocket engines use flaming, although non-combusting methods (such as cold gas thrusters) also exist.