What was the primary result of this legislation? A) States instituted their own environmental regulations,
B) Settlement on lands with fragile ecosystems was prohibited.
C) Monopolies seized control of natural resources,
D) National parks were created as a way to manage land resources.

How did the spanish-american war affect american expansionism? a.) america took control of hawaii, cuba, and the pacific islands of guam. b.) america took possession of cuba and the philippines. c.) america gained control of puerto rico and hawaii. d.) america gained control of cuba, puerto rico, the pacific island of guam and the philippines.