<span>The admission of these 4 states affected the voting power of slave and free states in the U.S. senate is because 3 of the states were free slave states and 1 of the states was a slave state. So that would probably mean that the free slave states would probably win against the slave states. Hope this helped!!</span>
You forgot your options, but I think i've seen this question somewhere already and i remember them. The answer is that it is not true that <span>Iron could be manufactured without the need to heat it up. </span>
Because of the earths rotation around the sun.
This historian would be using "research skills" at this stage of the process, since he or she has yet to determine all the facts, and therefore is unable to yet form a thesis.