To secure him so anything happens to the president
The correct answer is "Personality Style".
Personality style refers to an individual's behavioral pattern and personality traits that makes up a person's behavior or personality. Because of Judith's personality style, she is unable to cope up with her illness. Personality Styles affects the person's reactions and interactions towards events and things.
Answer to 1st question: They dug irrigation systems and canals to get the water to their crops.
Answer to 2nd question: They knew how to boost the immune system and they knew how to get the body to produce more white-blood cells. They also had a 90% success rate on surgeries, including brain surgeries.
Answer to 3rd: He had a big army and long roads leading all over his empire so if there was an uprising his army could travel quickly.
Hope this helps, have a good day. c;