sentences:  With the brief exception of a border dispute with Michigan that caused the Governor to issue a militia call up, meaningful local militia musters and drills again became more the exception than the rule.The Mexican–American War in 1848 saw a renewed interest in vitalizing the militia throughout the entire country.With the regular U.S. Army at a strength of just over 13,000, it became evident that any successful military campaign against Mexico was going to require extensive militia involvement.