The continuation of the balance between slave and free states was important given the nature of the Congress and the balance of power between the competing sides in the issue. ... Compromises were needed to equalize the power between proslavery and antislavery interests in the government to keep the Union together.
1 is false, waves can't propagate in a vacuum.
Answer:
the factors including physical and biological aspects of living or non living around the environment is environmental factors
Roger Sherman of Connecticut