At the end of Invasion from Mars, Professor Pierson writes that seeing sightseers enter the museum to view the Martian machine is strange when he remembers the first time he "saw it, bright and clean-cut, hard and silent, under the dawn of that last great day." Why was the day the Martians landed the "last great day"?

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