Feudalism declined, increased trade between the middle east and it helped spread cultural diffusion.
-Lucky
It is called Strategic Defense Initiative (SDI), or as some people call it: Star Wars. It was used to protect from missile attacks from outside countries, mainly the Soviet Union.
Projections of population trends can help determine the direction of economic development by getting ahead on future demand for resources such as food, water, and energy, as well as services such as health and education.
The conquistadors arrived in 1519.
