Which fact would make the best evidence to support the statement that "thomas edison's most important invention was the light bulb"?

The spanish class system placed people in the top class primarily based upon how much american blood a person had. how much spanish blood a person had. where a person worked. whom a person married.

It may be reasonably inferred from the passage that sylvia’s attitude toward mistress molly’s antics is ?

What was gained through the gadsden purchase