The cause is, of course, relatively obvious,

虽然相对而言原因很明显
but it was still a shock,

但这仍令人震惊
certainly to Republicans.

特别是对于共和党而言
There was tremendous fatigue with the reformist--

在美国包括北方或特别是北方的政治文化中
in the political culture, including the North,

激进派疲惫不堪
or especially the North-- there was tremendous political fatigue

激进派共和党人
with the reformist spirit of the Republican Party.

在政治上疲惫不堪
The economic depression was absolutely central to this election

经济萧条绝对是导致这次选举结果
and why the Dems came back.

和民主党能重掌权柄的主因
The scandals and mismanagement

格兰特任职期间的丑闻和管理不善
of the Grant years already setting in.

已被披露
It was a big deal by '74;

这在1874年是件大事