What achievement did alvarez accomplish with his son?
a. he developed a method to detonate the atomic bomb
b. he founded a technological university in hawaii
c. he published an article on subatomic particles.
d. he developed a theory on the extinction of dinosaurs

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?