Answer:The Hijri Year
Explanation:That event took place in 622 AD and marks the start of the annual count. According to the Islamic calendar, 2019 in the Gregorian calendar is the year 1440
"promote the general welfare" is the statement among the following choices given in the question that is best considered a statement of the public interest. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has come to your desired help.