The "Salt March" of 1930 was a key moment in the independence movement of people in what country?

Read the opening line from a draft of an informative essay. which is the best revision of the sentence? trade between great britain and japan expanded as opium deals between the nations increased in the early 1800s. britain greatly expanded trade with china, increasing its opium exports more than five times in the early 1800s. britain’s expanded trade in opium led to export increases that were five times greater in the early 1800s. britain greatly expanded trade with china, which increased its opium exports more than five times in the early 1800s.

Which one of the following figures was not a major leader of a latin american independence movement? a) simon bolívar b) ignaious of loyola c) josé de san martin d) father hidalgo e) francisco de miranda

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.