Read the passage from an argumentative essay.

"The Columbian Exchange was bad. It had many effects on native peoples. One of these effects was disease. Disease harmed people. It led to death. Some say up to 90 percent of native peoples died.”

How should the passage be revised to create a more formal tone?

Slang terms should be removed.
First-person pronouns should be added.
Simple sentences should be balanced with more complex ones.
Long and complex sentences should be split apart and made shorter.

According to bowers, which of the following best describes the dominance of interest groups in the state of nevada over time? political machines dominated during the first 50 years; from 1908 to 1958 railroad and mining interests dominated; primarily gaming interests from 1958 to the present. the railroad and mining interests dominated during the first 50 years of statehood; political machines dominated from 1908 to 1958; primarily gaming interests have dominated from 1958 to present. gaming interests have always dominated. railroad and mining interests dominated from statehood until 1959; gaming interests have dominated from 1959 to present. no one interest has ever dominated at any one time.