Humayun ruled the empire twice, and in the second reign he was able

a. increase trade
b. allow england to set up trading posts along the
c. coast
d. secure the borders well
expand the empire

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.