When having pride of a certain country, it is called nationalism.
Too much nationalism can cause problems, one of the causes of WW1 was nationalism.
Answer:
B. He granted freedom of religion in the Roman Empire is your best answer.
Explanation:
A is just one of the results occuring after he ended the persecution of Christians.
For C, he did not "introduce" Christianity, but he legalized it and made it the official religion of the Roman Empire.
For D, the Roman Empire was already a pagan empire, and Constantine made it a Christian Empire.
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Answer:
A. development of automobiles with lower nitrogen oxide and hydrocarbon emissions.
Explanation:
This act implements a comprehensive program to reduce air pollution to protect human health and environment, the amends made in 1990 focused on problems of acid rain, ozone depletion, and toxic air pollution, they established new auto gasoline reformulation requirements and set the Reid vapor pressure standards to control evaporative emissions from gasoline.
The answer is the song dynasty 1000-1450 CE
A legal declaration made by a candidate gives details of his educational qualifications, assets and liabilities and serious criminal cases pending against him. This provides an opportunity to the voters to make their decision on the basis of the information provided by candidates. Hope this helps :)