The African slave trade a. had little impact upon the numbers of wars in Africa
b. Reduced the number of wars in Africa because all the African states united against
the European slavers
c. Increased the number of wars in Africa because more guns were available through the
slave trade

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd

to force terrorists groups to stop attacking western targets using massive military force.

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.