What led to the settlement and formation of independent states of Slavic peoples on the Balkan Peninsula by the A. D. 400s and 500s?

Question 36 options:

The persistent conflict on the peninsula spread, leading to the defeat of the Mongols.

They merged with Celtic and Germanic tribes.

The mountainous terrain allowed them to resist invading armies.

The river and estuary systems served as key trade routes.

What body of water is the second cataract of the nile river submerged under

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population

How many years is a term in the senate