Select all that apply Early civilizations of the Indus Valley: • declined mainly due to natural disasters
• had clever city planners
• had strong central governments and were relatively sophisticated
• has weak governments and strong armies
• had thriving farms that allowed job specialization

had clever city planners

had strong central governments and were relatively sophisticated

had thriving farms that allowed job specialization  

Explanation:

the answer is d. tariffs were raised by america's trading partners after the smoot-hawley tariff act, decreasing exports, and declining job rates.

formulating the initial idea for the policy

answer is c.