Osiris took the job as god of nature after his resurrection
It's a very long sentence with a lot of information, but it is still only a simple sentence (option b): it has only one verb (taught). In order to qualify as a complex or compound-complex sentence, it would have to have at least 2 phrases, each with a different verb.
Answer: In the 19th century, an ideology emerged in the United States known as nativism. Nativists believed that immigrants posed a threat to American values and culture, and that white, American-born citizens should receive preferential treatment over immigrants.\
Explanation:
For the Louisiana purchase question, it more than doubled the size of the united states. As for the second question I believe the answer would be "Thomas Jefferson was eager to explore the west to ensure the survival and prosperity of the United States"