4. analyze analyze the impact of citizen participation as a means of
achieving political and social change.

The impact a country has when people help about to bring a social and political change is vast. In a democratic state people and the citizens have the right to bring about the change the want to see in their country.

Explanation:

People through social media and through political afflictions can change the way things happen. They have the right to bring any leader they desire.

People can speak up on any social reform and through a proper medium and channel, those things change. Otherwise in a non-democratic state, people do not have the freedom of speech and on top of it their lives are at risk.  

the answer is b for brother

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.