Between which two dates on the timeline did ancient indians migrate from siberia to north america

What is the connection among sectionalism,slavery,and states’right as causes of the civil war? how did the southern response to the 1860 election results demonstrate this connection

Which of these is true of that temperance movement at the beginning of the 1800’s in america?

The strait of magellan connects the atlantic ocean with the a amazon river b. gulf of mexico c. pacific ocean d. caribbean sea select the best answer from the choices provided о а b oo оо