Why do sociologists chose to use secondary sources in social research?

The united states constitution gives the the power to regulate interstate commerce.

Explain the events that led to the iranian revolution and the following iranian hostage crisis. how was the united states involved with iran? describe the arab-israeli conflicts of the 20th century. be sure to include specific military interventions, peace agreements, and the ultimate reason for conflict.

Which of the following are ways that people in democracies can take part in politics and gonverments