Answer: Caused to be a certain nature
Explanation:
If you replace the word “rendered” with “caused to be” the statement still makes sense. A good rephrasing would be:
The sad cries of the many slaves, horrible yesterday, are made worse by the joyous shouts that they hear.
Answer: The declaration was written to announce the creation of a new country.
Explanation: The colonists had the right to a revolution. Creating the Declaration of Independence outlined these rights, rallied the troops, and explained why the 13 colonies were separating from Great Britain.