Congress makes laws at what level?

Federal
State
County
City

What statistics are to determine the development of a nation?

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.

Read the article titled "does the family farm really matter? " what reasons does this article suggest are the causes of the movement away from family farms to larger farms? (site 1 someone fast