Slaves were used to work on farms and do chores for their "owners".
Answer:
Kathy is exhibiting a combination of efforts
Explanation:
Kathy used what she taught regarding her learning patterns with a deliberate effort to move along in her learning process. She is dedicated to the use of deliberate teaching approaches and is actively involved in the process. Kathy shows a combination of efforts. she deliberately using different ways or approach to build up her learning patterns.
The wheel and horse-<span>drawn chariot had been invented. I'm pretty sure about this but good luck :)</span>