How did geography affect indus river valley civilizations?

a. constant monsoons led to destructive flooding.

b. mountainous terrain resulted in many invasions.

c. landmass formations encouraged trade with neighboring civilizations.

d. flooding separated many settlements from rivers and the arabian sea.

Opposition to the nra came to a head in 1935, when the conservative supreme court declared the agency unconstitutional, claiming the nra gave the executive branch regulatory powers that belonged exclusively to congress. this decision began a series of court decisions that overturned key elements of the new deal.

The answer to the question is a.