Is there any specific context?
Generally during the times of violence, no one can escape it. It is true that there are gender differences (women are often raped, men more often murdered) but in war both genders (and children) always suffer.
Work is force times distance and power is work over time, so you need to know force and distance to calculate both. :)
After the death of Muhammad, he was succeeded by 'the <em>Rashidun</em>', a 30-year reign of the four 'rightly guided caliphs'. During such reign, which lasted from 632 CE to 656 CE, the expansion through the territories outside Arabia started.
Eventually, under the influence of the political systems of these territories, the leadership became hereditary, and the Umayyad dinasty, who moved to Damascus to excercise power, ruled from 661 CE to 750 CE. This dinasty achieved the greatest expansion of the Muslim Empire in a lapse of 89 years, converting the Caucasus, Transoxiana, Sindh, the Maghreb, and the Iberian Peninsula to Islam, as well as occupying 5.79 million square miles of territory and including 62 million people. It was the fifth largest empire in history regarding area and proportion of the world's population.
Answer:
Steam engines were used in all sorts of applications including factories, mines, locomotives, and steamboats. How does the steam engine work? Steam engines use hot steam from boiling water to drive a piston (or pistons) back and forth. The movement of the piston was then used to power a machine or turn a wheel.
Some aspects of culture are value, language, religion, architecture, customs and traditions, and government.
