In ancient times coins made from gold and silver gradually replaced which commonly used means of exchange in commerce?
a.) cuneiform tables
b.)barter
c.)slaves
d.)beads and shells

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018

international economic development agencies harm poorer nations by encouraging them to serve as exporters to wealthier nations.