Marcus Borg writes at Day 1 about Jesus’ public protest following the triumphal entry on Palm Sunday:
Two processions entered Jerusalem for the Festival of Passover that year. One happened every year while Judea was ruled by Roman governors, the most famous of whom was Pontius Pilate. Imperial cavalry and troops, displaying the pomp and power of empire, entered the city to reinforce the garrison permanently stationed there. Passover – which remembered and celebrated ancient Israel’s liberation from imperial Egypt – was a politically volatile time.
The other procession happened only once: Jesus entered the city riding on a young donkey that symbolized a king of peace who would bring an end to war. The contrast to imperial power and violence was intentional and obvious.
…
Because of the collaboration of temple authorities with Roman rule, it had become the center of an economically exploitative domination system and thus a center of injustice, as in the time of Jeremiah six centuries earlier. That was not what it was meant to be. The authorities understood that Jesus’s protest and indictment were directed against them. It was too much. As Mark tells the story, it was the last straw.
Where is the church colluding with the domination system in our day?