What are the 3 most important reasons for stuying history?

People study history for very varied reasons but among them the most important reasons for me are to reveal past contributions of civilization so that we can connect the past to the present. It is also important to take notes of different scenarios so that we can create the greater pictures. So, I picked the first three choices. 1) to connect the dots to form a picture

2) to reveal past contributions of civilizations

3) to connect the past to the present

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go