The major causes of the large u.s. trade deficits between 1997 and 2007 include
a. an increase in the saving rate and an increase in exports to china.
b. economic growth in other nations has outpaced the united states and a decrease in the saving rate.
c. an increase in imports resulting from economic growth and a decline in the saving rate.
d. increasing oil prices and increased imports by china.

c. an increase in imports resulting from economic growth and a decline in the saving rate.

Explanation:

The trade deficit is when the net imports are higher than the net exports. The trade balance is the result of adding the total exports of the country and subtracting the total imports, and if the value is negative, it means that imports are higher than exports. In this case, the economic growth lived domestically combine with a lower rate of saving, boost the increase of final goods that were supplied by external sources

Zoning regulations prevent new businesses from competing with established businesses.

Zoning regulations prevent new businesses from competing with established businesses because legislative regulations categorize the city or county into different zones, which specifies the uses allowable for the property in these areas. However zoning regulations affect the location of each type of business, and it is crucial to home-based businesses.

The main purpose of zoning is to cut off the uses which are thought to be inappropriate. In practice, zoning also used to restrict new development from conflicting with the existing organization to protect the "character" of a society.