How did the pioneers significantly affect Native Americans? Settlers refused to help Native Americans find better sources of water. Settlers helped Native Americans preserve native plants and animals. Settlers spread diseases that killed thousands of Native Americans. Settlers adopted some of the customs of Native Americans.

it is the third answer the  europeans arrival to the natives land led to the death of many natives by war and being exposed to new viruses and sickness

false the first governing document in the us history was the articles of federation

monopolies  came to the united states with the colonial administration. the large-scale public works needed to make the new world hospitable to old world immigrants required large companies to carry them out. these companies were granted exclusive contracts for these works by the colonial administrators. even after the american revolution, many of these colonial holdovers still functioned due to the contracts and land

read more on -