A primary source is someone who was there at the time the event happioned or an artifact from that time line
secendairy source (sry 4 my bad spelling) is something from after the event or writen from after the event
I believe it climate and landformations, Regions are usually made from Gerrymandering
A commercially successful steamboat :)
Answer:
Thomas Jefferson.
Explanation:
Written in June 1776, Thomas Jefferson's draft of the Declaration of Independence, included eighty-six changes made later by John Adams (1735–1826), Benjamin Franklin 1706–1790), other members of the committee appointed to draft the document, and by Congress.
It would be A. Adding machine it was invented in 1642.
