The hittites in ancient times were able to conquer other civilizations in the middle east because

they were the first culture to equip soldiers with iron weapons

Explanation:

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

that would be the steamboat because none of the other things are forms of transportation