Answer:
We have better technology so we can take some of a dinosaurs DNA and see what era it was from, how long they have been extinct, etc.
Explanation:
Well the main difference was that the South was using slaves while the north were already using machines and the north never used slaves
He successfully repelled an invasion by rival claimant Herald Hardrada of norway
They were very mean to people.
Answer:
Ferdinand Magellan is the correct answer.
Explanation:
