A- The three main traditions of Buddhism are- Therevada, Mahayana and Vajrayana.
The Therevada provides the detailed and most useful account of Buddha's original teachings. It shares the logic of meditation practice.
The Mahayana provides us with the living traditions of Awakened Masters also known as Zen. This molds us towards wisdom and compassion.
The Vajrayana offers an arrangement of psychological practices along with core meditation practices. This tradition has changed few things like it has added reincarnation process.
2- The Middle way or Middle path was used to describe the character of the Noble eightfold path that leads to liberation. The eightfold path was the right view, right resolve, right speech, right conduct, right livelihood, right effort, right mindfulness, and right samadhi.
3- Buddhism was spread across and beyond India by King Ashoka. He sent monks to outside territories to preach Buddhism and people began converting to Buddhism all around the world.
King had a non-violence movement. They did things like sit in, practiced civil disobedience, and etc. When the police arrested them or acted violently towards them they would resist or fight back. This movement was successful.
The Black Power movement deals with violence. they thought that Kings way of getting rights was not helping so they took matter in their own hands and did things violently. This is why their movement wasn't successful.
The Government in the Sunshine Act is a U.S. law passed in 1976 that affects the operations of the federal government, Congress, federal commissions, and other legally constituted federal bodies.