How did pioneer settlements affect land in the west?

pioneers brought plants and animals that competed with native species

pioneers opened up the land to encourage hunting for wild garne

pioneers made water supplies cleaner and easier to locale

pioneers brought medicines to cure native american diseases.

Iron making developed in china almost a thousand years later than in the middle east. true false

In presidential elections if no candidate receives a majority of the election votes, a. the winner is decided by the house of representative’s. b. the current president remains in office for four more years. c. the winner is decided by the senate. d. a runoff election is held in december between the two candidates who received the most votes in the general election.

What was the goal of the united states' invasion at the bay of pigs?