a hot-air heating system.
<span>A central heating system provides warmth to the whole interior of a building (or portion of a building) from one point to multiple rooms. When combined with other systems in order to control the building climate, the whole system may be an HVAC (heating, ventilation and air conditioning) system.</span>
<span>Bark-covered longhouses were an architectural style distinctive among the wichita. </span>
I think it is A. Because the factory owners would do anything to make more money. (they were greedy)
Answer: California and New Mexico became new states.
Explanation: K12 Quiz
Explanation:
After the Civil War, with the protection of the Thirteenth, Fourteenth, and Fifteenth Amendments to the Constitution and the Civil Rights Act of 1866, African Americans enjoyed a period when they were allowed to vote, actively participate in the political process, acquire the land of former owners, seek their own employment, and use public accommodations