Answer:
Political reformism offered some of the earliest signals for a progressive movement generally and for sustained reform through the presidencies of Theodore Roosevelt and Woodrow Wilson. Progressive reformers began to shed Victorian ideas about society, including some of the trappings of Social Darwinism.
Explanation:
Read this:
http://www.historyplace.com/unitedstates/vietnam/index-1945.html
Jamestown eventually flourished because they grew tobacco that could be sold for large amounts of money.