Prestige, power, access to raw materials, opening up new markets and the spread of Christianity.
Hope this helps!
Answer:
1) stampede
3) trial
4) campsite
6) distract or attractive
8) senseless, sensational
9) captive
11) fixture
12) repair
13) coincidence
15) snowboard?
16) coincidental
17) natural
18) comical
I'm not too sure about 4, 6, 8, and 15....
