HI, a frontier is an area of unexplored land close to or near a states borders.
Answer:
A claim supporting Linda brown and three reasons is written below in brief detailed explanation.
Explanation:
The extensive statement was presented to support the assertion that legal segregation happened in both fundamentally inequitable education and weak self-esteem between minority learners. The Brown family lawyers claimed that segregation by law indicated that African Americans were genetically secondary to whites.
The answer to you’re question is answer B ( availability of jobs)
1. Enabled building of factory away from rivers powered machines = steam power (steam power enabled for factories to be established anywhere. It also provided substantial potential and could be utilized to power huge machines )
2. Developed system of interchangeable parts; increased production =Eli Whitney (at his arsenal Eli Whitney discovered the use of interchangeable elements and the milling device)
3. Made putting together of goods piece by piece; increased production greatly = assembly line (an assembly line is a construction process (oftentimes called a progressive machine) in which parts (interchangeable parts) are added as the semi-finished assembly passes from workstation to workstation where other parts are attached in series until the final assembly is designed. )
4.provided a tough, efficient building material for industrial purposes = steel (steel is an alloy of several metals but it consists of more iron than other minerals. Steel is solid and potent than iron)
