History is. learning about history can help me bybecause Have to write full sentences for each blank.

1) union forces launched a surprise attack.

2) more confederate troops arrived by train.

3) union forces retreated.

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.

this is a good question! i'll do some research and come back when i have the answer!