What is one difference between open and closed primary elections?

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 powers best complete this graphic?

What are policymakers trying to do by using the media to deliver specific messages to citizens?