Only the federal government regulates interstate trade
Option D.
<u>Explanation:</u>
The federal government is the central government in the United States of America which is linked with the welfare of the whole country and the state government is linked with the welfare of the people of a particular state only in the country.
Because of the difference in the aims of the two types of the country, the delegation of powers is also different between these types of the government. one of the powers which rests with the central but not with the state government s the regulation of the inter state trade.
Answer: New and improved technology
Explanation: With more development tools we can significantly decrease manual labor which then causes us to increase our production time. As we improve this technology we are able to shift to more commercial production producing more for our larger population rather than simply for oneself and or their family
Hope this helps
I guess the "mekong" river.
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