[4CJ]

The Confederates were begging forein nations to come into the war on their side -- and kill fellow Americans.

Lincoln recruited millions of immigrants (foreigners) to kill Southerners.

[steve-b]

Lincoln recruited millions of immigrants (foreigners)

It's customary to insert padding between mutually exclusive assertions, in order to maintain a pretense of respect for your readers' intelligence.

While this rule is widely disregarded, you set a new record -- a single left parenthesis -- for inadequacy in this regard.