How did the united states expand its borders to include 48 of todays 50 states

Nelson is creating a powerpoint about the structural-functional perpectivebon poverty what perspective should he include in his presentation?

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

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.