Put the salt and brine together, and suddenly you have a mixture which is capable of melting snow with much more efficiency and with less salt, and the reason for this is simple. The Good. Dry salt in frigid temperatures often just lays on top of the snow and blows around.
The concept of marriage predates Christianity and the other two forms of Abrahamic religions, Judaism and Islam which share a common origin and common values. Marriage is very ancient dating back beyond recorded history and was practiced by all people of many cultures, ethnicities and belief systems on all continents.
What a wonderful question. Religion is, of course, the form that one's worship takes. Thus there are thousands of forms. Religion includes a system of religious beliefs and practices. The object of the religion may be false gods or the true God. Hence, there is false religion and there is true. Religion can get very fancy or remain simple. In the former case, such as it is today.