The immediate cause of its fall was pressure by the Ottoman Turks. ... In 1204, the Fourth Crusade conquered Constantinople, partly because the Venetians wanted to eliminate the Byzantines as competition in trading matters. Hope this helps
China was itself an established empire and could not be conquered the same way as they did Africa and India.
What you are saying is basically equal to saying why not land in England (during that period) and turn everyone into slaves.
Since that is impossible, establishing spheres of influence allows major powers to break China from the inside.
The major powers of europe, Japan, and America ganging up on china during those days is the main reason behind China's firm foreign policy today.
ANSWER IS C.
EXPLANATION because they were separated by transportation, housing and water fountains and the question asked EXCEPT
If you’re referring to the order in which they occurred, it’s 2 then 1 then 3 then 4
the Sherman Act, and the commerce act.