Louis XVI´s decision to summon the estates-general prove disastrous because during it, the Third Estate , representing the Commoners decided to form a National Assembly, inviting the other two Estates ( Clergy and Nobility) to join them against the King. This is considered to be the start of the French Revolution.
Fighting in Vietnam started in 1954 when technically France tried to reassert its colonial claims to Indochina, although Japan had claims as well. It was primarily a colonial beginning.
A is the correct answer, as noted.
Samuel Adams was the leader of the Boston based Sons of Liberty and worked to lead protests against British taxation of the colonies after the 7-Years War.
One of those protests was the Boston Tea Party.
Jama masjid was the first structure
Carter's foreign policy was oriented toward the goals of human rights and peace, negotiating an arms reduction treaty with the USSR, and a peace agreement between Israel and Egypt. Carter's ethos of humility and compassion informed much of his presidency and was reflected in his foreign policy and administration