The correct answer is D)to unite people of African descent around the world
Pan-Africanism was about uniting people who have African heritage all throughout the world, regardless of their current place of residence.
Chinese language: The written origins of the language have been traced back to 1250 BC in the late Shang dynasty. Along with Tamil, Chinese is one of the oldest surviving languages in the world.
Steam was used for boats and trains, making cleaner, faster transportation.