The nationalists and communists became allies again, because they had a common enemy, Japan, as Japan was invading China at the time. The two sides called for a ceasefire and worked together to stave off the onrushing Japanese invasion.
Hope this helps
The Supreme Court case that found the use of the grandfather clause unconstitutional is the Guinn v. United States, 238 U.S. 347 (1915). In its decision, the Supreme Court ruled that the grandfather clause<span> exemptions to </span>literacy tests<span> were unconstitutional. It declared the grandfather clauses as </span><span>repugnant to the Fifteenth Amendment and therefore null and void.</span>
<span>From a United States vantage, the culture of UAE and Dubai may seem from a distance to be some stereotype of a conservative Arab culture. In fact, much like the United States, these cultures have been transformed by modern forces such as international finance, wealth and immigration from other areas. Thus, rather than stressing elements some would label "traditional", I would emphasize that both cultures are shaped by the same modern cultural influences in the United States.</span>