What was a result of creating rail standardization? Railways were able to transport meat without spoilage.
Trains provided cars with pull-down beds for overnight travel.
Trains from different rail lines could use each other’s tracks.
Rail companies began to create their own styles of rails and tracks.

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.

d is the correct answer