Throughout his gospel, Matthew presents the concept of "better righteousness": one that not only observes the Torah, but follows the interpretation and spirituality of Jesus in the mode of disciplehood.
Therefore, Matthew believes that the interpretation given by Jesus is the only proper understanding of the law, that is, he preaches an orthodox interpretation of Jesus' moral values.
Americans were upset and disliked Castro. He took away money and a way to make money from them and Castro also went to help and benefit the people the Americans were hurting by providing the Cubans better healthcare and education.
Castro was incredibly popular with the Cubans as he allowed for them to not only have their land and means of living and earning money back, but he also promised to better them by giving them better healthcare and education.
No because they’ll just murder everyone because they feel a little offended over anything