The legislative branch is Established by Article 1 of the Constitution and consist of the House of Representatives and Senate. The most important function of the legislative branch is to make laws. Legislative branch powers also include impeaching officials (Senate), originating spending bills (house), approving treaties (Senate) and passive laws.
The answer is A. They do this as a way of showing party unity.
On June 16, 1976 the Soweto Students Uprising began (Soweto is a neighborhood of Johannesburg). Around 20,000 students went to the streets and made a peaceful protest opposing to Afrikaan as the official language for instruction in schools. The government's responde was violence, killing hundreds of students, as a result, the revolt spread through the whole country and carried on until the following year. These events changed the socio-political landscape in South Africa which main problem was the Apartheid.