What factors contributed to the fall of the western portion of the Roman Empire? plz include at least 3+ factors

Which empire was called "the sick man of europe? "

Soon-yi's house has a hexagonal window made up of six identical equilateral triangles as pictured below.

Which of the following statements is true about water access in the middle east? a. access to coastal waters is not important to people.b. most countries depend on outside resources for water.c. water is available in large supplies in all countries.d. all countries have sources of renewable freshwater.