Answer: The Mexican Cession
Explanation: If we are measuring this impact by land area, the mexican cession definitely had the biggest impact, since it was the first land acquisition that connected the US to the Pacific and truly accomplished manifest destiny.
Its true. it can be caused by climate change or destructive land use
The vertical trade is trade that essentially appears between people living in different elevations. In the Andean region, the vertical trade has a long history, and it has been performed between the people living in the higher parts of the Andes, and the people living in the valleys and coastal regions east and west of the Andes.
This type of trade helped the people to be able to survive and develop in both of those environments, as the people living high in the mountains were producing certain things, and the people living in the lowlands were producing certain things that both of them needed in their daily lives. Because they collaborated, they were able to create societies in totally different environments and thrive for centuries.
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Answer: Doctors save lives, but their importance goes far beyond that. Doctors also make a difference by helping patients minimize pain, recover from a disease faster or learn to live with a disabling injury. A patient's ability to enjoy life, even if they can't be cured, makes a huge difference to them and to their families. If they can go back to work after an illness, that benefits their employer, too. And, that's only part of what makes doctors important to society.
Answer:
True
In a free market, competition determines price, and so companies will compete with one another to offer the lowest prices.