Why did both sides make big trenches during World War I? a) to defend against rolling tanks
b) to protect against poison gas
c) to protect soldiers from artillery fire
d) to shoot down enemy aircraft

one of these is the rhoticity common in most american accents, because in the 17th century, when english was brought to the americas, most english in england was also rhotic.

economic competition is inefficient and wasteful.good luck

explanation: