Answer:
what you do is look it up because your on a laptop or phone instead of asking somebody that will probably get it wrong for you ;)
Explanation:l
B
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Zimmermann telegram- Nothing like negotiating with a neighbor to invade their front lawn.
Unrestricted submarine warfare- Sinking ships owned by the US constantly is already making us angry.
and the sinking of the Lusitania- Now this wasn't the final straw but it did indeed shake US support for Germany and caused outrage all over the USA.
Pyramids were built for the burial of Egypt's ruler. Many workers were hired for its building, it took at least 30 years to build one pyramid, so there were many workers and engineers.
The continual flow of the free market is driven by self interest and competition.
