Mostly farming, lumbering, fishing, trading,etc. This required cheap labor, or slaves. They were required for the heavy work to be done quickly by demand.
The main reason the United States government intervened in the Great Railroad Strike of 1877 was because it was leaving thousands of people without transportation, which meant that the US GDP was decreasing in hurting business of all kinds.
Alexander led his army to conquer the swat valley and the Swati villagers fled to the mountains asking for a divine protection and they believe that their Gods will protect them because the mountain is so high. In order to conquer and to prove his power Alexander build a wooden ramp to place his catapults and arrow units and also he climbed up so he could hold the star of Jupiter representing his power and greatness.
<span>C) the invasion of Poland
It happened in 1939, before all of the other events.
Hope this helps :)</span>
Feudalism helped protect communities from the violence and warfare that broke out after the fall of Rome and the collapse of strong central government in Western Europe. Feudalism secured Western Europe's society and kept out powerful invaders. Feudalism helped restore trade. Lords repaired bridges and roads.
