B: As women acquire more equal rights, husbands and wives will behave with respect for one another.
It was mainly the construction of railroads that helped cities thrive in the 1800s, while it was mostly the invention of the television that <span>had the most significant impact on the rise of mass entertainment in the late nineteenth century</span>.
Duct Tape.
Remember the Dept of Homeland Security warning to purchase duct tape and plastic to help against biological or chemical attacks. And yes, NASA does send up duct tape with every flight. It was useful in the famous troubled Apollo 13 mission, and was credited in part with saving the lives of those astronauts.