9/11 was a series of four coordinated terrorist attacks by the Islamic group who was led by Osama Bin Laden.
The Paris Peace Talks and what terms were, at last, consented to US, South Vietnam, and North Vietnam consent to end Vietnam war. The arrangements that prompted the agreement started in 1968, after different long postponements. Therefore of the understanding, the International Control Commission (ICC) was supplanted by the International Commission of Control and Supervision (ICCS) to satisfy the assention.
For #1 it is C. They kept expanding into Native American’s land. The natives didn’t like that so that led to many conflicts.
For #2 it is D. People could get to destinations a lot faster and cheaper so it led to spread of people and ideas. It also led to goods being easier to transfer to new markets for new business opportunities.