Because they want to keep their european Rivals Away from Valuable town and Mines in Mexico.
North America was really Loaded with Gold and Silver, and has Accounted for more than 20 % of Spains Budget back then. That's why they want to assert control over it
<span> large, central granaries, Hindu Kush Mountains, streets planned on a grid</span>
Answer:
The Populist movement was a revolt by farmers in the South and Midwest against the Democratic and Republican Parties for ignoring their interests and difficulties. For over a decade, farmers were suffering from crop failures, falling prices, poor marketing, and lack of credit facilities