The byzantine empire was finally destroyed by the

germanic tribes

turks

arabs

huns

the reduction of citizens’ rights

also known as the bill of rights

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.