Answer:
Africa had several advanced civilizations during the Middle Ages. The kingdom of Zimbabwe, founded by the Shona people, was the largest kingdom in southern Africa. The people of this kingdom built a grand stone palace with gigantic walls. Timbuktu, a city in the kingdom of Mali, was a center of Islamic scholarship. The people of these kingdoms traveled across the Sahara to conduct trade. They traded with countries as far away as India and China.
Explanation:
Answer:
example d non-tariff barriers to trade such as import as a embargo
ex would include the US Embargo of 1807.
US Embargo of Cuba. Russia sanctions on Ukraine.
i-d-k
what a quota is
a country might want a trade embark so they are not able to get a hold on the resources they have or to stop them from being able to trade in total
Energy, which causes the built up pressure. :)