What effect did the introduction of smallpox have in the americas

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?

Which of the following would an isolationist support?

June 19 is often a holiday in texas. it is emancipation day. what important event happened on emancipation day? a) it marks the end of slavery in texas. b) it marks end of the texas revolution. c) it marks the day texas became a state. d) it marks the last battle of the texas revolution.