D. he went south and founded schools for African Americans
By laws of the U.S. Constitution, the federal government is required to carry on a census <u>every 10 years</u> that calculates how many people are currently living in each state. Occasionally, as the population goes up or down in certain states, a <u>reapportionment of U.S. House seats must be done in order to adjust to the changes.</u>
<u>Re-election rates</u> for incumbent members of the congress has always been extremely high. <u>Historically, it has rarely gone down 90%</u>. However, for States that experience slow growth or rapid loss of population, the threat of losing seats becomes an actual concern for congress members.
Hope this helps!
Answer:
b. Astronomy.
Explanation:
Mayan astronomy, which indeed, is based on observation and a highly refined mathematical system, is the specific field in which the Pre-Columbian Mayan civilization excelled, even to a higher degree than their European contemporaries. Their measurements of astronomical phenomena allowed them, amongst other things, to predict eclipses and ascertain the best time to harvest. Some of the calculations of the Mayan civilization still marvel contemporary scientists.
B. US VS. Nixon. Is the supreme court case that led congress to do so
Pilgrims is the common name for the people who settled the Plymouth Colony.