What are three factors concerning the open door policy? Plzz help ASAP

The 1899 Open Door notes provided that (1) each great power should maintain free access to a treaty port or to any other vested interest within its sphere, (2) only the Chinese government should collect taxes on trade, and (3) no great power having a sphere should be granted exemptions from paying harbour dues

Explanation:

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genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.