BC is before christ
AD is after death (of Christ)
However scientists usually use BCE and CE to avoid religious confusion (Before Common Era, and Common Era)
There was a need for cheaper routes along the Mediterranean and the east was becoming tumultuous.
The one that is not part of the middle colonies is C. Massachusetts
After the president gets a bill they can choose to either approve or veto it. If they veto it goes back to congress to be voted on again. If he approves it becomes a law.
