Which of the following would a historian most likely study to find data?
a. the geography of an area.
b. first hand interviews.
c. archives in a library.
d. the weather and climate of an area.

abraham lincoln issued the preliminary emancipation proclamation on september 22nd, 1862. it stipulated that if the southern states did not cease their rebellion by january 1st, 1863, then proclamation would go into effect.

answer; no longer than a reasonable period of time;