The correct answer is option B.
Edmond Halley correctly predicted the return of the eponymous comet Halley after he realized several sightings of a comet were in fact the same comet.
By correctly understanding Sir Isaac Newton's law of gravity and also his ideas in mathematics, Halley was able to correctly predict that the comet that now bears his name would return periodically. He did this by discovering Halley's orbit in 1716 and thus being able to predict the year of its return.
Answer: No other European power had established a presence in the area.
In the early 19th century, Russia had already established some colonies in Alaska, securing its presence in America. Russia was expanding East, across Siberia, and eventually started moving south, until it reached Northern California.
Americans who were involved in the sea otter business proposed some joint hunting expeditions with Russian supervisors and Native Alaskan hunters to hunt seals along the Californian coast. These expeditions allowed the Russian parties to observe large stretches of uncolonized land. This led to the conclusion that a Russian settlement could be established in California.
Answer:
1. Members of the different religious orders - both men and women - financed schools and colleges with profits from their haciendas and worked as teachers or running training institutions.
2. Others served in hospitals, hospices for the mentally ill and the dying, in houses for the poor, orphanages , etc.
Explanation:
