Which source would be the best choice to support a research paper on the evolution of baseball in the united states?

a website discussing the history of the new york yankees organization

a film documentary discussing past and modern developments in baseball

a book containing quotes and biographies of famous us athletes from history

a textbook analyzing the first immigrants who played baseball in the united states

Identify the trade regulation concept described in each scenario. protectionism free trade trade war country a and country b want to develop their respective export markets. both countries have highly developed agricultural, industrial, and service sectors. the countries decide to initially lower trade barriers and eventually remove them completely. arrowright country a has an agrarian economy with an emerging industrial sector. to allow domestic industries to grow, country a applies quotas on all industrial products except those that are used as resources. arrowright country a passes an economic policy that will indirectly give its own companies an advantage over country b’s companies. country b alleges that the policy violates the countries’ trade agreement and imposes retaliatory tariffs. arrowright