What did joseph glidden invent that made cattle drives difficult?
a.
barbed wire
b.
the branding iron
c.
the steam locomotive
d.
the cotton gin

true

coz they had the rank system in society according to the economic power of the people

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