In what way were the firstborn son of a knight and the first born son of a serf alike a) both children would grow up to have the same roles as their fathers. b) both children had to prove they were worthy of their position in society c) both children took a vow of loyalty to their lords, just as their fathers did. d) both children could choose their own occupation independent of their parents

B) both children had to prove they were worthy of their position in society

In what way were the firstborn son of a knight and the firstborn son of a serf alike?

A: Both children would grow up to have the same roles as their fathers.

the answer is c     : )

explanation:

i don't have an explanation because i don't know, but i think the answer is c because i googled it and google is right : ) just kidding google isn't allways right but the answer is still c. i hope this !

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: