This is of course a very complex question that does not have a definitive answer, but 1850s would be a good decade to start counting as "Modern". This was a decade of the telegraph and Darwin's The Origin of Species.
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Through checks and balances. All branches have equal power.
Yes it's D:It was divided into many independent countries
Answer:
A closed primary is a type of primary election in which a voter must affiliate formally with a political party in advance of the election date in order to participate in that party's primary. Other primary election types include: 1) open primaries, in which a voter either does not have to formally affiliate with a political party in order to vote in its primary or can declare his or her affiliation with a party at the polls on the day of the primary; 2) hybrid primaries, in which previously unaffiliated voters may participate in the partisan primary of their choice; and 3) top-two primaries, in which all candidates are listed on the same primary ballot and the top two vote-getters, regardless of their partisan affiliations, advance to the general election.
Explanation: