What were the two main problems that Gustavus Adolphus of Sweden faced?

Question

Monarch of Sweden from 1611-1632

Answer 1

Young Gustavus Adolphus faced the following problems:
"Later that same year, 1611, the death of Charles IX brought Gustavus to the throne (at the age of 16) --- no cheerful prospect for a youth to face, with three enemies (Denmark, Russia, and Poland) at the gates and the parlous finances of his country tying his hands."
"Gustavus was handicapped by the inertness and incapacity of his chief officers, until he was able to rep[lace them by that brilliant band of young generals..."

Answer 2

Unreliable allies and lack of sufficient resources