One of the most important effect of the crusades was on commerce. They created a constant demand for the transportation of men and supplies. Hope this helped, have a great day! :D
Answer:
The Building of Tenochtitlan About 1325, the Aztecs began building a capital city on the island in Lake Texcoco. They called the new capital Tenochtitlan (tay»nohch«teet»LAHN). In some ways the place said to be chosen by Huitzilopochtli was a good one. Having water all around made the island city easy to defend against attack.
Explanation:
The Nile river give transportation, fertile soil, water and food(fish)
Explanation:
a state in which supreme power is held by the people and their elected representatives, and which has an elected or nominated president rather than a monarch.
