Which did settlers bring to american indian lands in the west?

trade restrictions
seeds for new forests
new diseases
different crops

The congress shall have power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defence and general welfare of the united states . .; to borrow money on the credit of the united states; to regulate commerce with foreign nations, and among the several states, and with the indian tribes. —constitution of the united states, article i, section 8 which of these are expressed powers granted by this part of article i, section 8? check all that apply. lay and collect taxes and duties pay debts regulate american indian groups regulate commerce within states borrow money regulate commerce with foreign nations

Which statement best summarizes how interpreted in very strict terms government have changed over time

How does the balance of trade look different in the us today vs hot it looked in the 70's