by the presidents making changes to the Constitution
Explanation:
The constitution of America is the oldest constitution in the written format. The reason behind the continuity of its usage depends on the nature of it. The power lies in the simplicity and flexibility which the constitution has been granted to. The provisions for the amendment of the constitution is available and has been into use from time to time. There is a definite process of amendment involved to amend any specific law written n the constitution. By the two-thirds vote from each of the houses, the amendment can be initiated. Also, a three-fourth approval of the state is required. There are other ways as well.
