Who began a vast global exchange that included people, plants, technologies, and cultures?
a.
samuel de champlain
c.
bartolomé de las casas
b.
christopher columbus
d.
hernan cortés

john adams was the 2nd president of the united states.

explanation:

b]to spread the message of black power

he did it to save us from our sins, so we can see him in heaven 1 day. it's because he loves us so much. he used himself as the final sacrifice, so that we could be forgiven for our sins, so that we can see him in heaven, if we believe.

it would have concentrated power in the executive branch of the government. it would have restored balance among the three branches of government. it would have set a precedent for government intervention in the economy. it would have signaled an end to all the programs of roosevelt’s new deal.

did this .