The first mesoamerican civilizations began

~ right after people crossed the bering land bridge.
~ when nomadic hunters settled in the valley of mexico.
~ once people learned how to farm in the tropical forest.
~ when the maya built the first cities in central america.

World war 2 was caused, in part, by which of these factors?

(100 points) project: progressive era research your topic and write at least seven hundred words to discuss one of the following topics. a. evaluate the impact of progressive era reforms. b. evaluate the impact of progressive reform leaders such as susan b. anthony or robert lafollette. c. evaluate the impact of third parties and their candidates such as h. ross perot and george wallace on america. note: as with any research you do, evaluate the validity of your source: a. who is the author? b. is the author an authority on the subject? c. how does the author use language? d. what sources appear in the author's work? e. from what you know or have learned about the author, is the presentation inappropriately biased?

Should the united states have continued to fight in the vietnam war after 1968?