They need:
1. Power
2. Public Speaking
3. Connections
In the year 1803, the United States of America purchased the approximately 828 million square miles of territory from France, doubling its territory. Because of Thomas Jefferson's purchase of the Louisiana territory, 15 states were added in the territory of America. It stretched from the Canadian border in the north to the Gulf of Mexico in the south and from the Rocky Mountains in the west to the Mississippi River in the East.
The word which means "can be helpful or harmful depending on the point of view" is beaver. Beaver can both have a good and a bad effect to the ecosystem. In a good point of view, beaver serves as natural filters segregating sediments from flowing to bodies of water. On the other hand, it can also cause flooding.
Some of the responsibilities of vassals for the lord included: Maintain the Lord's manor...Watch over day-to-day activities...And occasionally help advise the king on simple matters of the land.