Answer:
The base unit of time in the International System of Units (SI) and by extension most of the Western world, is the second, defined as about 9 billion oscillations of the caesium atom. The exact modern definition, from the National Institute of Standards and Technology is: "The second, symbol s, is the SI unit of time.
Explanation:
Answer:
the cause was that Mexican- american war was a conflict between the united states and Mexico fought from April 1846 to February 1848. the main cause of the war was the westard expansion of the united states.
Explanation:
The best example are roads.
USA economy is a mixed-market economy. It blends elements from market economy with elements from planned economies.
Private ownership is prioritized ( free market economy) but the government <em>has control over some public services</em> such as healthcare (to an extend), physical infrastructure<em> (the road system</em>), education, national defense, the postal system and some public lands.
The idea behind public ownership of these services is that they are better performed by public than private enterprise.
The roads in the USA and their infrastructure are<em> funded by taxes</em> (especially the gas one), tolls and user fees.
The correct answer is: [A]: "Andrew Carnegie" .
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D. freedom of speech for individuals and lawmakers
