What was abraham lincoln’s concern about the supreme court’s dred scott decision?
that it would make slavery legal across the nation
that it would lead to the direct election of senators
that it would lead to the abolition of slavery
that the republican party would not support it

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation:

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

deseasie in europe