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.
Answer: Decisiva victoria de las tropas estadounidenses
the answer to your question is a) they had advanced planning and developed effective military methods.
President Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish American presence in this territory before Britain and other European powers
