A. conquest by Turkish forces
I belive the most helpful service is community service, the type where you have to pick up trash from places like the park.
They both had strong impacts. Louis the 14 was fearless and Peter the Great was more caring for his people. It's up to you, it depends on you opinion of a great leader.
The best answer would be <span>Understanding how history has affected the lives of people today. If you understand what happened in the past and why, you can know how to prevent bad things from happening today because history often repeats itself. It even exists as a common phrase that history repeats itself</span>