Like all countries we pay taxes, it was the same then, so Jesus told the people the taxes belong the Ceasar (the government) so it should be given to him.

The things of God are obedience, time, love for our neighbour and for God, the fruits of the spirit and most of all ourselves. Jesus loves us and is waiting to enter our hearts.

They said He speak well so it was no need to ask anymore questions because they would probably put themselves in trouble.

Jesus could and can answer any questions we ask we can only trap ourselves not Him.