What does APS stand for?

Bumiputras were given special rights in the constitution after the Malays agreed to share political power with minorities, including the Chinese, as a prerequisite to gaining independence from British rule. Many of the non-Malays at that time were first and second generation migrants who had been brought by the British to fill colonial manpower needs as indentured labourers, a form of limited-term post-emancipation slavery, and the Malays were facing a situation where they were close to a minority in their own country. The Malaysian Federal Constitution has clauses specifically addressing the area of Malay rights but does not explicitly protect any Bumiputra rights per se. Article 153 states that: