A mortgage is a loan contract where the debtor (mortgagor) uses his land as security for the debt. Which of the following are contractual aspects of a mortgage?

	1.	They do not obligate the mortgagor to pay the taxes, insure and keep the property in a good state of repair.
	2.	It contains terms that require the debtor to repay the loan with interest and default in any single payment will trigger a reminder letter only.
	3.	an acceleration clause that makes the entire cash advance due and owing.
	4.	all of the above.
	5.	Other important terms in a mortgage contract establish the interest rate, the term and maturity date, the amortization period.