Answer: Kievan Rus is also called as the land of Rus. It is located in Russia.
Explanation:
The internal cause of the down fall: The empire weaken by the collapse of the commercial trade with the Byzantine empire and this lead to major economic crises in 12th century.
The various rival regional powers were influencing the working of the state.
The external cause of the down fall: The Mongol invasion in 1240s caused the complete fall of the state.
They were called the Patriots
The correct answer is C. Caravel
They were fast and maneuverable and could go through tough water easier than big sturdy ships and were great for explorers who even wnated to go up and down big rivers into continents when exploring, or pass easily between islands or similar things.
<span />
The answer is A. A job , They were a lot of jobs that needed filled. Wanted immigrants to comeover to fill those jobs