Hey there,
I believe the answer is:
An oven that used air drafts for heating
Hope this answer has helped
The desire to make a profit motivates individuals and businesses to work efficiently. For example, if a business can find a new way to make a valuable good, like a phone, this will drive down the cost of production. Driving down the cost of production allows the company to make more off the product when selling it to the public. Along with this, lowering the cost of production allows business to decrease the price of goods, making the it more likely that consumers will buy it.
The origins of the current homelessness crisis go back decades - to policies that stopped the U.S. from building enough housing, experts said. Historically, homelessness emerged as a national issue in the 1870s.
Growing industrialization in the 19th century brought a steady migration to urban centers such as Boston, New York, and Philadelphia. The early 1980s marked the emergence of what now may be considered the modern era of homelessness.
And inflation is compounding the problem: Rent has increased at its fastest rate since 1986, putting houses and apartments out of reach for more Americans.
Learn more about homelessness in America here:
brainly.com/question/4234913
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Between 329 BC and 327 BC, alexander. established a state called Bactria
They wanted a monopoly on salt and iron because it helped them make a large profit off of it. When you have a monopoly on something, you have complete control over it. They could sell it for more, or the value could come up. This helped to improve Chinese's income and worldly status.
Keep studying, and have a nice day!
~SimpleGirl~