Reasons for the decline of the Ming Dynasty included:
A. no support of foreign trade
B. too much influence form other cultures
C. costs relating to helping Japan defeat Korea
D. invasions and poor leadership

The answer would be D- Invasions and poor leadership.

the use of email to replace slower surface mail.

bloodiest single day of war   |   gettysburg

where the civil war ends for good   | appomattox court house

the first major land battle; south wins | bull run/manassas (va)

gives union control of the mississippi river |   vicksburg

lee’s first tactical defeat; big win for union |   fort sumter1

with lincoln's re-election |   atlanta

south wins

splits confederacy in two for the duration of the war,

antietam