<<Do the poor want to be politicized though?>>

Fair question. I hesitate to comment since my Latin American history is extremely thin. In Haiti  Fr. Jean-Bertrand Aristide successfully galvanized a popular movement that catapulted him to the presidency, but he ultimately failed to defeat the corruption and entrenched interests of the ruling class.

<<Jesus told us His kingdom was not of this world.>>

The author of John attributes this saying to Jesus. Personally I'm persuaded Jesus believed his kingdom WOULD be of this world but was understandably guarded about saying so. However, there is no way to know with any certainty one way or the other.

<<Did He tell us to seek first the Kingdom of God and His righteousness or to first seek our material needs?>>

He associates the kingdom of God (or "of the heavens") with the hungry being fed and the downtrodden being raised up.