Which statement is true about the women profiled in "NASA Langley’s Modern Figures Reflect on Changing Times and Hidden Figures"? A. They understand that they are carrying on the legacy of women like Dorothy Vaughn, Mary Jackson, and Katherine Johnson.

B. Because they work in different fields, it is difficult for them to support one another as Dorothy Vaughan, Mary Jackson, and Katherine Johnson did.

C. Thanks to women like Dorothy Vaughan, Mary Jackson, and Katherine Johnson, they do not have to face sexism or racism.

D. They do not realize the significant contributions that women like Dorothy Vaughan, Mary Jackson, and Katherine Johnson made.

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