The avenues of exchange they provided been open only for limited time spans and then blocked for years or decades at a time because of War.
People at both ends of the trading route have to secure and keep that area peaceful or else trade will not occur.
A downfall, a decrease. so if its our population, were losing people. money? losing money. Our economy is taking a hit.
The correct answer is analogies. Analogies is being defined
as having to things to be compared at for the sake of having to gain an
explanation or clarification with the two things being differentiated at or
compared at. It is known as a cognitive process by means of having information
to be transferred or to defined the meaning of a particular subject.
