Experts believe that most native americans died of diseases like smallpox, typhoid, or diphtheria in the first decades of contact with european settlers. which statement best explains this phenomenon? native americans refused medical treatment from europeans. native americans had never been exposed to those diseases. native americans were infected on purpose with those diseases. native americans did not have access to more modern medicine.

Native Americans have never been exposed to those diseases

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

explanation:

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years