Which of these labor sources was most important to the southern colonial plantation economy? african slaves child labor indentured servants native americans

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

profound political, administrative, and social changes in the british isles.