<span>Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.</span>
Answer:
D. Mohawk, Onondaga, Seneca, Cayuga, Oneida
Explanation:
Tuscarora was added in 1722.
I believe the term is discharge petition
Hopefully this helps.