Answer:
Sam Houston was the chief Southern Unionist in Texas. Houston dismissed the activities of the Texas Withdrawal Show, trusting it had exceeded its authority in turning into a part condition of the recently shaped Alliance. He would not make a vow of devotion to the Alliance and was ousted from office.
D before the Crusades trade was literally nonexistent between them and after it brought new technology and products such as silk and food etc.
In general the common argument is "This development paved the way for the use of nuclear energy". There are of course cons to nuclear power as well, but these are known.