I’d say C . Trade deficits
Every tribe was different, although certain elements were<span> common to most of the </span>Plains tribes<span>. The true Plains peoples </span>were<span> entirely nomadic,.</span>
In this case the answer B is correct; Iron.
Metalworkers in ancient India were renowned for their skills in creating different types of objects that were of very pure quality and the highest standards. These of course were not that common and not just anyone could obtain or afford such items.
Continental System, in the Napoleonic wars, the blockade designed by Napoleon to paralyze Great Britain through the destruction of British commerce. The decrees of Berlin (November 21, 1806) and Milan (December 17, 1807) proclaimed a blockade: neutrals and French allies were not to trade with the British.
Mark brainliest please
Hope this helps you