The money supply is backed: Question 4 options:

1)

by the government's ability to control the supply of money and therefore to keep its value relatively stable.

2)

by government bonds.

3)

dollar-for-dollar by gold and silver.

4)

by gold reserves representing a fraction of the total value of dollars in circulation.

The money supply is backed: by the government's ability to control the supply of money and therefore to keep its value relatively stable.

Explanation:

If the price index rises from 100 to 120, the purchasing power value of the dollar: will fall by one-sixth.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

answer; ///i believe the correct answer is the empire state building;