Im not sure ab out these two can you help

How did the people of latin america come to speak the language of spanish

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

This was an act of continental congress which initially organized the first united states territory and was to be the basis for governing how the united states would expand westward.