Was the exploration of Kansas by the Europeans and Americans a positive or a negative For the Native Americans?

Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.

whose power in the senate is equal to the power of the speaker of the house?

to force terrorists groups to stop attacking western targets using massive military force.