Which does a reference point provide? Select two options.
a position from which to measure future distance
I a set of standard units for measuring displacement
I a standard method for evaluating variables
a method for determining the speed of an object
I a way to detect an object's motion

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

Describe the views of the federalists. how did they feel about ratifying the constitution.

In the early 1800s, north africa was different from southern africa in that