Josiah may have been the most righteous of Judah's kings, having fewer foibles than David, but having equivalent leadership skills and a love of God's law.
Modern Israel still worships Astarte, now known as "mother earth," and crusades on behalf of fornication and all forms of sexual perversion.
To guard against the world, we must be careful not to fall into idolatry, based upon limiting God to tangible objects or those things which occupy our thoughts.
After 200 years of rejecting Davidic rule, Israel fell to Assyria, and its people were carried to Media. Judah lasted about 150 years longer.
Asa left a few things undone, losing steam in his later years and playing it safe. Idolatry was so ingrained in the land that Asa grew weary in well-doing.
Most people consider the second commandment to deal with making or falling down before a pagan idol, but it covers all aspects of the way we worship.
An idol is anything in our lives that occupies the space which should be occupied by God alone, anything having a controlling force in our lives.
Habakkuk learns to look, watch, wait, then respond, realizing that God is sovereign and will rectify all the injustices in His own time.