When they wrote this song they made it about the Vietnam war. They felt that rich politicians started the wars for their benefit and have all the poor people die for them.
Planning Commission
The Planning Commission is
responsible for preparing and adoption of comprehensive plan or plan amendment.
It also monitors and supervise the condition and effectiveness of the plan. It reviews the
suggested land development codes and regulations, and recommends consistency of
the proposal to the governing body.
It sounds like it means to ask God for forgiveness.
Tim has used an abstract form of expression in his artwork NARRATIVE form element of artwork in being discussed here.
They had the ability to take inventions created elsewhere and use them on a much bigger scale.