Is the Revenue Act reform, relief or recovery

Recovery

Explanation:

Congress passed the Revenue Act of 1861 as an initial attempt to raise much-needed funds for the war. This act levied the first income tax ever levied on American citizens. The income tax placed a 3% tax on all individuals whose annual incomes were above $800 per year.

1) union forces launched a surprise attack.

2) more confederate troops arrived by train.

3) union forces retreated.

c, they united with once