When evaluating past eras, historians depend on primary documents and other resources to understand events and cultures. For instance, it would be difficult to evaluate why people once thought Earth was at the center of the solar system unless you analyzed documents from the time in which the idea was relevant.

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018

panamal canal treaty and iran hostage crisis hope this