What was the law in Montgomery regarding buses at the time?

Explanation: Jim Crow bus laws in Montgomery at the time of Parks' arrest established a section for whites at the front of the bus, and a section for blacks in the back. The law required that when the white section filled, black passengers in the “colored section” give up their seats and move further back.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

i am sure the answer is d