what military strategy did germany use that contributed to their successes in the beginning of world war ii?

Blitzkrieg

Explanation:

Blitzkrieg (Lightning War)  was the method of offensive warfare responsible for Nazi Germany's military successes in the early years of the Second World War.

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