The map shows ancient river valley civilizations. letter a shows the location of which ancient river valley? tigris indus nile euphrates

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.

Gretchen opens a high-end bakery in a busy section of town. customers pay top dollar for her quality baked goods. just two months later, emily opens a bakery across the street. she also sells baked goods but uses lower- quality ingredients and has a less appealing shop. some of gretchen's customers take their business to emily's bakery because her prices are lower. which industrial revolution-era system or movement is reflected in this scenario? o a. romanticism o b. marxism o c. social criticism o d. capitalism

Based on this passage, which issue facing laborers did samuel gompers want to focus on first?