Britain abolished slavery
in 1865, after the united states did.
in 1804, before the united states did.
in 1833, before the united states did.
in 1848, after the united states did.

When conducting research for forming a hypothesis, which practice should historians follow?

Brainliestttme : ) describe the event: increase in islamic extremism in the middle east

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.