Answer:
B. Wages decrease
Explanation:
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The Tang Dynasty of China when faced with rebellion from General An Lushan in their northern territories sought outside support from mercenary forces. This was done a number of times during the rebellion, these mercenaries were typically Arab, however, we also have examples of soldiers brought from Uighur to fight with the Tang and numbered in the thousands in the fight against Lushan's forces.
With the help of mercenary forces, the Tang were able to take back several important capital cities of China and effectively eliminated the rebellion of Lushan, as well as his later supporters and successors.
Answer:
The correct answer is the federal system. Power is shared between the two governments and states have the right to make their own laws as long as they're not unconstitutional or against the federal law. Federal law applies to all the states in a federation, like the United States has in the congress.
or b on edge
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Because the northwest passage represents centuries of effort to find a route westward from the Atlantic and Pacific Oceans to the Arctic Archipelago of what is now Canada. Europeans searched for 300 years to find a viable SEA TRADE-ROUTE to Asia. If they were to find it, it would have been easier to travel through seas, and land in the past.