Which aspect of the Roman Catholic Church established in the 300s remains today?

The Roman Catholic Church’s leader is still the bishop of Rome, or the pope.
The Roman Catholic Church remains the official church of the city of Rome.
The Roman Catholic Church remains the only official church.
The Roman Catholic Church’s power structure remains unchanged.

Briefly explain to major platform issues of the republican party

How did the war of 1812 contribute to an increase in u. s. manufacturing? a) the war provided more resources for factories to increase production. b) the war promoted trade between countries so that americans could focus on fighting. c) the war cut americans off from their previous supply of imported manufactured goods. d) the war limited transportation in america, making it necessary to import manufactured goods.

Which of these events was a severe setback for the u. s. war effort in the pacific?