Robert found his childhood piggy bank, which had been lost for ten years. the $20 bill inside it is still worth $20. what function is money serving in this example? (economics)

a. medium of exchange
b. measure of value
c. standard
d. store of value

Which of these were achievements of the safavid dynasty? check all that apply.

Put the following events in the correct chronological order: i. new state constitutions are formed. ii. declaration of independence is signed. iii. second continental congress writes the articles of confederation. iv. special conventions are convened to produce fundamental laws for the states. a. ii, iii, iv, i b. ii, iv, i, iii c. ii, i, iv, iii d. ii, i, iii, iv

Which form of government have the african nations had since independence?