Almost, change illustrating with to illustrate. But otherwise it looks right to me.
I've learned to get along with my brother ever since my father left the family business to he and I.
The Soviet Invasion of Afghanistan and the U.S. Response, 1978–1980. At the end of December 1979, the Soviet Union sent thousands of troops into Afghanistan and immediately assumed complete military and political control of Kabul and large portions of the country.
Answer:
Arguments are claims backed by reasons that are supported by evidence.
The correct answer is benefactor
A wealthy benefactor is a person who donates money for a cause. They donate so much of it that we have them to thank for something that happens.