The Apollo-Soyuz Test Project was a joint United States-U.S.S.R. venture to live and work together on a space platform in orbit.
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Second question answer: There are some advantages of a command economy, and these include: Low unemployment rates due to the regulation of jobs by the government. Everyone has access to health care services and necessary services needed to live, and usually the fee is either low or free.
(I'm not sure about the 1st question)
Aimed to overcome legal barriers at the state and local levels that prevented African Americans from exercising their right to vote<span> as guaranteed under the 15th Amendment to the U.S. Constitution.
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To remedy the stability problem, Bohr<span> modified the </span>Rutherford model<span> by requiring that the electrons move in orbits of fixed size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. Radiation can occur only when the electron jumps from one orbit to another.</span>