The study of history you to get a good grade recognize contributions of past civilizations remember famous people and events connect the past, present, and future identify patterns

The main aim of studying history is to understand the contributions that led to civilization that were essential to human society and the changes that they promoted.

Explanation:

Learning the past failures and success of the American was another reason for studying the history, this helped. Finally is to identify patterns and their occurrences that repeatedly happen that are threatening.

Finally studying history-helped historians to understand events that were happening severally and finding out counter measured that will help them positively change society.

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances