Step 1
The House of Representatives holds a few hearings, then they vote to impeach the President. If the House of Representatives votes in favor, by a majority, the House sends Articles of Impeachment to the Senate.
Step 2
The Senate starts a trial of the President to decide if the President is guilty of the crimes charge in the Articles of Impeachment. If 2/3 of the Senate votes to accept any Article of Impeachment, the President is automatically removed from office and the vice president takes his place as the new president.
*So far, no president has been impeached.
The desire for trade with Asia encouraged exploration of the Americas because in order to do so they had to search for a trade route. While doing so they landed in the Americas which was like unclaimed land to them so they explored it in order to gain it as their territory. The more land you had control over the more powerful the country was.
The answer would be the third answer