C because the key word effect so answer c say's some thingthing about it "establish" meaning later on, also stock exchange would be something major because it allowed them to have new things they could never get in there own country.
B. The meeting of the English Barons and King John occurred at Runnymede.
Answer: A) The Irish Republican Army supported the Protestant majority
Explanation:
The Irish Republican Army (IRA) fought the British in Northern Ireland in the hopes of gaining independence for Northern Ireland so that they could unite with Southern Ireland.
The IRA supported the Catholics in the minority not the Protestants who are in the majority in Northern Island. Perhaps this is why the IRA was unable to win, they were formed to represent the minority, not the majority.
D) The state constitution did not recognize blacks' rights to hold public office
hope this helps :)