A. James Polk's aggressive foreign policy
Answer:B
Explanation:
The united states constitution states the separation of powers: Congress passes laws but the president can veto it.
Answer: 1492 - Discovery of the Americas.
1513 - Discovery of the Pacific Ocean.
1519 - Conquest of Mexico.
1522 - The First Search for Peru.
1524 - First Expedition.
1526 - Second Expedition.
1528 - Finding the Inca city Tumbez.
1530 - Third Expedition.