The answer to this question is:
Barrack Obama was born August 4, 1961
And became president of the united states in the year 2008
Hope this help, Goldendoesyt
Your Welcome :)
Answer:
World Health Organization
The lord would provide to the vassal land from which they could make money from and in return the vassal would contribute troops to the lords army. Sometimes vassals would also pay a small fee of grain or various other goods as a sort of tax for the land.