Why did congress pass the indian removal act in 1830?

Which of the following best explains why california has more catholics than any other state? california is home to a large population of asian immigrants, and many asians are catholic. california has very little religious diversity. california has a large latin american population, and many latin americans are catholic. the catholic church is based in california.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b. c.–a. d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?