Answer:
From reading, he can write treaties and appoint ambassadors!
Due to immigration, intermarriage, and multiracial identity, the United States is more racially and ethnically diverse than at any other time in its history.
Since 1970, the numbers of Latinos and Asians have more than tripled, making Latinos the largest racial/ethnic minority group and Asians the fastest-growing group in the nation.
An expanding multiracial population and rising intermarried rates are two more factors in America's emerging diversity.
Intermarriage increased more than twenty-fold between 1960 and 2000, and by 2050 and 2100, one in five Americans and one in three are expected to be multiracial.
This growing variety, meanwhile, is not equally perceptible across the nation.
To learn more about Multiracial Population in USA here
brainly.com/question/12810102
#SPJ4
Security Keys utilize a secure challenge-and-response authentication system, which is based on Cryptographic techniques.
<u>Explanation:</u>
The protocol in which a question called "challenger" is given by one party and the answer which is called "response" is given by another party that needs an authentication, is called as challenge–response authentication. The Cryptographic techniques are used for this purpose of authentication systems.
These techniques are used for the prevention of man-in-middle attacks and subsequent replay attacks.The information that is sent as a challenge by one party must be transmitted through a password that is encrypted and the other party must send a response with the same encrypted value with any predetermined function. This makes the decryption of the information in challenge to be very difficult.
C because that what the hunters and gatherers had to do in order to survive
