I would think d right? It says no safety precautions?
Answer:
The Lewis and Clark Expedition happened after the Lousiana Purcahse in 1803.
Explanation:
The Lousiana Purchase is the US government purchasing a big chunk of today's middle US territory from France, and since the territory is still unknown, President Jefferson decided to sent a search party to go for an expedition to learn about the natural environment and geography.
Their route is shown in the image below.
The Alamo, The Alamo mission in San Antonio