What are the limitations to Mackinder's Heartland Theory?

How did the large influx of immigrants change america?

Which courtroom participant is james in the given scenario? josh, the accused, is undergoing a criminal trial. mr. kent, josh’s neighbor and college professor, has been called upon to vouch for josh’s good conduct, academic performance, and likeable behavior. mr. kent is thus playing the role of a in the courtroom.

Which tip applies to the aspire test and psat equally