Why did jefferson oppose the establishment of a national bank?
a] he thought it would be too weak.
b] he thought it was unconstitutional.
c] he wanted a more powerful government.
d] he believed in the implied powers of congress.

2.By 476 AD, Christianity had spread to most of the Roman Empire, and, in some cases, past those boundaries.

Emperor Constantine the Great was kind to Christians. He understood the strength of the new faith and understood that Rome would also become strong if it had the support of the new church. That is why in 313 he passed the Edict of Milan.  The Edict of Milan equated Christianity with paganism, so Christians were allowed to preach their religion freely.  It took Christianity less than a century after the Edict of Milan to become the only official religion of the Roman Empire.  Respect for the pagan gods was banned by Emperor Theodosius I in 391 AD.

3. along the coasts of the Roman Empire

Before the Edict of Milan Christians were punished and persecuted, Christians were especially severely persecuted in the 3rd century - they were tortured, crucified, burned. The last emperor to support persecution was Diocletian. That is why the areas they were covering were not so wide.

4. Mountains made this region difficult to access.

Already during the reign of Julius Caesar Romans started conquering the region of Gaul, but in the same period Hispania was one of their goals. Still, a small area between was hard to reach because of the mountainous terrain.