Whigs opposed the war because many of them thought that going to war with mexico would encourage slavery expansion and allow the US to gain new southwest territories
2. to allow more trade between countries
Yep, number 2 :D
What the dude on top said
Answer:
Organization of Petroleum Exporting Countries
Explanation:
The Organization of Petroleum Exporting Countries organized an oil embargo against the United States.
Most people know this as the (OPEC).
1878 was the year doorknobs were created.