Please help what is geocentric and heliocentric??

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

Which purposes of the constitution are found in the preamble? select the six correct answers. to provide for the common defense to form a more perfect union to promote the general welfare to secure the blessings of liberty to declare independence from britain to establish justice to ensure domestic tranquility

What is the supreme law of the land? the declaration of independence the federalist papers the articles of confederation the constitution