Answer: Roman Empire:
Powerful Lords Broke up the empire into separate kingdoms.
Without trade, people had to find their own food and basic necessities.
Knowledge of math and science was lost
Gupta Empire:
Hunas were absorbed into the local culture.
Invaders destroyed Hindu temples.
The feudal system began as people turned to lords for protection.
Explanation for Roman Empire. Trade in Rome ceased because all of the roads were in such horrible condition that people could not travel on them. Rome had advanced knowledge of math and science but all their notes on them were mostly destroyed or lost. Rome was divided into two parts the western and eastern kingdoms.
Explanation for Gupta Empire. Hunas began invading Gupta, (Gupta Empire was strongly and mainly Hinduism) they destroyed hindu temples and took control over the Gupta empire and were absorbed into their local culture. The Gupta empire took to feudalism in order to gain protection from foreign invasion.
Eastern boundary currents are associated with the cooling off of the ocean waters. These currents originate from both of the poles, they bring cold, shallow, slow water towards the lower latitudes and cools of the water near the Equator. Once there they are warming up and move in the opposite direction as westward warm currents.
Temperate climate zone, because big cities don't function well during the arctic winter, nor summer actually
If it's really cold where you are going to build you will have to insulate the house very well and the same goes for if it's really hot.
The Transamazonica Highway in Brazil is going to be both, useful and destructive, depending on the point of view.
The biggest advantage of this highway is that it will connect the cities, towns, and villages in the Amazon rain forest with the rest of Brazil, as they now are very isolated and it very hard to travel to any place in the country from there.
The biggest disadvantage is that the highway will be cutting right through the rain forest, and for sure, millions of animals will die on the highway by getting hit by the vehicles driving on it, as the rain forest animals are not aware of the dangers of the roads.
