Answer:
D. Empress Wu
Explanation:
Empress Wu (Wu Zetian) ruled unofficially during the Tang dynasty in 690.
I hope this helps!
Answer:
chiefdom
Explanation:
Embedded in the theory of cultural evolution, anthropologist describes Chiefdom as social-political organization in which communities were headed by a paramount chief. This type of political organization is found in the non-industrial world where the chief exercised power over several communities. A chief is seemed to have a divine right to rule and his position is permanent and hereditary.
Answer:
50 years
Explanation:
The first human spaceflight named Vostok 1 was launched on April 12, 1961. This spaceflight took along with it Yuri Gagarin, a Cosmonaut who came from the Soviet Union. Thus this scientist was the first to ever travel to space and enter into orbit.
The formal end of the space shuttle program was marked in August 31, 2011. The last shuttle, STS-135 that was flown by Atlantis was retired on July 2011. So the time duration between the first human spaceflight and the end of the space shuttle program spanned some 50 years.