What happened when president johnson vetoed (refused to sign) radical reconstruction laws?

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.

Which of the following actions is an example of historiography

What is dussel's profession? a. law b. business c. dentistry fyi: this is based on the story anne franks