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.

whose power in the senate is equal to the power of the speaker of the house?

the tallest building in the western hemisphere and the sixth tallest building in the world

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.