I think it is the German policy of unrestricted submarine warfare. All the other ones are major factors.
Hello friend!
Your answer to this questions is <u>Veto</u>.
When the President refuses to sign a bill, there official name for this is Veto. Veto means "a constitutional right to reject a decision or proposal made by a law-making body."
<em>source Oxford Dictionaries.</em>
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Have a splendid day!
<em>-Edge</em>
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The amendment right important for democracy is the freedom of speech, press, assembly, and the right to petition the government holds the government accountable.
<u>Explanation:</u>
In a democratic form of government, the citizens of the country are given utmost importance and the government works for the betterment of the people of the country. The people are provided with certain rights which give them liberty and freedom and hold the government accountable. It prevents the government from misusing it's power.
The first amendment of the constitution provides such rights which are very important for the government to hold accountable and for democracy. Those rights are the right to speech, press, assembly and the right to petition the government and the right to seek redress of grievances.
Transparency and accountability allow the government system to thrive.
<u>Explanation:</u>
The conditions in which the government system can thrive are when the government is accountable to the people. If the functioning of the government is transparent enough, then also the government system can thrive well.
The people of the country have proper faith and belief on the government if it works in a transparent manner and is answerable to the people. If the government misuses it's power and abuses it, then it can not thrive for long. The people will alter that system of the government which does not use power in the right way.