Which event marked the beginning of the Islamic era?

it makes companies more competitive it mainly alot

giving the us more money to give to the states it allows them to sell oversee and to other countries and more

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need