which were some ways columbus hurt americans after landing in their land? i know the basic answers to this question but it'd be appreciated if you guys gave me other examples as well. help is appreciated !! :)

Select the correct answer. how did agricultural advances affect chinese society during the middle ages? a. it led to population growth. b. it decreased life expectancy. c. it lowered industrial operations. d. it resulted in more people moving to rural areas.

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.