Answer:
D
Explanation:
the Chickasaw I'm not sure
The new technology that enabled Britain to defend against bombing attacks from Germany during the blitz was radar
Best answer: B. Trade networks develop to exchange resources.
When one nation or region has resources that others do not, it can use those resources as a trade commodity to exchange with other nations. For instance, areas that have rich oil resources will export oil to countries that don't have oil reserves as a natural resource. In turn, those countries may have other commodities that they can exchange -- agricultural resources from countries with fertile agricultural land, for instance.
