Which statement best explains ancient Indians' contributions to medicine? O They used animals as a source for medicines.
O They rejected surgery because it was dangerous.
O They stopped trying to prevent contagious disease.
O They wrote medical texts to document their knowledge.
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The world trade organization (wto), which was formed in 1995, trades without discrimination. which of these best describes what this principle means? all its member countries charge the same prices for basic commodities such as wheat and lumber. b) all its member countries do not trade with countries which had discriminatory racial policies. c) all its member countries trade only with countries that sign the wto agreement. d) all its member countries open their markets equally to all member nations. answer is d