<span>In the fall of 2015 Apple released os x 10.11, also known as os x El Capitan. Os x 10.11 is the twelfth version of the Apple operating system and it was described as refining the Mac experience and improving the system performance. This update had not many new features because it was focused on the system optimisation.</span>
Black paper which is gained from selling goods and things like that then white paper which is usually handed by the government
It was 19th century political philosophy in US that support greater democracy for common man.
Explanation:
I'm not sure but I think they just did