The achievement of the desegregation of schools was primarily attained through A) executive order.
B) checks and balances.
C) Supreme Court decisions.
D) constitutional amendment.

google it and it will pop up

the answer is d i think

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.