Answer:
Invasive species, including communicable diseases, were a byproduct of the exchange. The changes in agriculture significantly altered global populations. The most significant immediate impact of the Columbian exchange was the cultural exchanges and the transfer of people (both free and enslaved) between continents.
Explanation:
Answer=B
Fur was considered the black gold of the far north.
C) local citizens in each state
The purpose was to get the British to repeal those acts.
The Sherman Antitrust Act of 1890.