Who is good at 8th grade history (Geography and Colonialism) i need help on a unit test

Which distinctive feature of the notre dame cathedral allowed it to accommodate its large stained glass windows? a. its barrel vaults b. its flying buttresses c. its quadrant arches d.its square bays

Meaning “restructuring,” reduced government control and the soviet union move away from a totalitarian government. a) glasnost b) detente c) perestroike d) democracy

What was the compromise that allowed california to be admitted to the union l-ala on?