Answer:
The answer is written communication.
Explanation:
Written communication can be both formal and informal; in this case, the tone is clearly formal.
One important feature of written communication is that it's usually taken as the final word, which means it can't be taken back es easily; however, the rise of instant messaging has led to a more natural and intimate use of written communication. That's why professional and academic related messages are typically sent via e-mail.
Answer:
The Tang rulers changed China were the enlargement of China, extension of roads and canals, helping to tie the empire together. Social changes that occurred in China during the Tang and Song Dynasty were a new upper class.
Answer:
C. Objective Function
Explanation:
The objective function in a linear programming model express the equation to be maximized or minimized.
With the clear differences between northern and southern areas in terms of economy and politics, immigrants going to northern areas, and with the fear that the southern interests, including slavery, in congress would be weakened caused the southern people (mainly represented by whites) to cease from the Union.
