John muir was a leader in the labor movement true or false?

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

Why might the greeck city states have an advantage over the persians

15 pt (more than one answer)what are some of the ways businesses increased productivity? -obtained new machinery -obtained new resources -obtained new technologies -found ways to make their workers more efficient