What is the most likely factor that contributed to Sudan’s division into Sudan and South Sudan?

Sudan’s many ethnic cultures refused to hold a national identity above their tribal identities.
Decades-long civil wars between the North and the South caused division in Sudan.
The geographical differences had resulted in incompatible northern and southern cultures.
The Sudanese government’s referendum to establish South Sudan won 98 percent of the vote.

Which option describes a reason terrorist groups benefit from the existence of rogue states?
Rogue state leaders appoint chiefs of terrorist groups to serve as government ministers.
Terrorist groups harbored by rogue states gain status among other terrorist groups.
The secrecy of rogue states helps conceal terrorist training camps within their borders.
Terrorist groups gain diplomatic legitimacy by allying with rogue states.

1. A
2. D
Are these right?

'First question is "Decades-long civil wars between the North and the South caused division in Sudan." That's the correct answer.

the second I don't know

For the first question it's B: Decades-long civil wars between the North and the South caused division in Sudan.

The second question is C: The secrecy of rogue states helps conceal terrorist training camps within their borders.
Have a nice life

I-

I came here to get help my text doesn't state anything after i reread the whole thing. ;-;

The answer for the second question is C. Took the test

Which factor most directly contributed to the rise of terrorist groups such as al Qaeda?

A. nationalization of industry
B. economic globalization
C. Islamic fundamentalism
D. nuclear nonproliferation

C. Islamic fundamentalism most directly contributed to the rise of terrorist groups such as al Qaeda.

1. Don't know. Check your text.

2. No