Which of the following systems of trade were most widely used in ancient river civilizations

Based on the map, which statement best describes the neighborhood of washington heights? (2 points) washington heights is a gated community. people of many ethnicities live in washington heights. restrictive covenants prevent most people from living in washington heights. dominicans have gentrified washington heights. washington heights is a dominican enclave.

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 explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.