Brazil is one of the countries that the course textbook chooses to serve as an example of a country that restricts trade. Should we not rather be studying the economic restrictions on trade with Russia for political reasons and with China in various sectors with a particular focus on economic and financial sanctions as well as tariffs and export and import prohibitions, which are all business and household tases that increase inflation..

Does it mean that these US trade restrictions do not exist or are not as economically important as those of Brazil and other countries?