This question is very debatale since this happened in acient Egypt. Try process of elimnation. They used all 4 of the options listed below. But the one that stands out the most is physics. In order for them to have figured out the early forms of glass, the Egyptians scholars had to have used studies of matter and motion to figure out the energy and force to find how to construct glass.
Answer is: e<span>ducating women about birth control.
</span>Margaret Sanger<span> (</span>1879 – 1966<span>) was an American </span>birth control<span> activist, </span>sex educator, writer and nurse. She <span>popularized birth control use and opened the first birth control clinic in the United States (1916). In 1921 she </span><span>founded the </span><span>American Birth Control League.</span>
aztec pwople atacked cortez and burned his ship
