OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” of Midland National Life Insurance Company (Midland National) and North American Company for Life and Health Insurance (North American) (both domiciled in West Des Moines, IA). In addition, A.M. Best has affirmed the Long-Term ICR of “a-” and the Long-Term Issue Credit Rating (Long-Term IR) of “a-” on the $200 million 7.0% senior