Spirituality describe the J Hudson Taylor's "faith principle" because he believes that nothing can satisfy the person will except having faith in Jesus and reading bible on daily basis can cause the true source of extraordinary power in the humans. However, he believed that transformation in the humans could be only possible through the spiritual principles which could promote holy living and uplift the world from human sufferings.
These lines are called cross-contour lines.
Cross-contour lines are used in making nice pieces of art but most importantly they are a huge helping tool. These cross-contour lines can help people understand the solid form and the appearance of object from different perspectives and vantage points. Thus they are invaluable learning tool.
If you are talking about the first settlers in North America then they were pursuing their faith. They came to north america so that they could worship there God freely without being oppressed.
Answer: FDR's ambitious plan transformed the Tennessee Valley by creating dams and reservoirs for electricity and flood control, controlling soil erosion through forest restoration and better farming techniques, and improving navigation and commerce along the Tennessee River.