Which statement best describes a choropleth map

i think it is. it uses shades of color to indicate the number of people living in an area.

Explanation: because if you look at a choropleth map it uses different shades of color showing how many people live there.

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.