Answer:
Primary
Explanation:
It's research published in scholarly/academic journals. (a textbook)
President Nixon reduced tensions between the US and the Soviet Union by traveling to China as well as the Soviet Union. When there, he signed an Arms Control Treaty with the Soviet Union in hopes of lessening the tensions.
Hope this helps!
Black holes can indeed move through space. ... Astronomers know about the rapid motion of this black hole because it has a nearby companion star that's slowly being pulled apart by the gravity of the black hole.
Folk-music should be the answer
as "We shall overcome" Joan Baez.....
England, France and Spain
