URGENT!! PLEASE HELP.

1)From what i could see i would interpret this as when one nation gets involved all their allies jump in also. You could also say that this ends in a long chain with each one going after the other. ally, then opposing ally, then ally, etc.

2)Source A tells you that when someone messes with one of them everyone else comes out of the wood works to fight too.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

the answer is mass marketing.