The beautitudes was one of Jesus's most outstanding teachings, he used this beautitudes to reach and teach people, the way the kingdom of God works.
I was inclined to look at blessed are the peacemakers these are of course people who are trying their best in other to promote peace, the bible made us understand that these kinds of people are really important to God.
Which perspectives do you fall into? In Christ's kingdom, our works and services on earth will prove very important, that's why we must take heed and bear good fruit