Why Did the Era of Good Feeling End

Why did the Era of Good Feeling end?

A) The United States could not sustain continued economic growth; financial institutions began to crumble.
B) Nonpartisan cooperation could not be sustained through disagreements of how government should be involved in social and economic changes.
C) The United States could not maintain peaceful relations with European countries intent on continuing colonial rule in Latin America.
D) Poor road transportation made it difficult to unite the West with the East of the United States, causing poor communication and political divisions.
E) The Supreme Court's focus on protection of individual liberty produced political, social, and economic inequalities that greatly weakened the nation.