How did the Opium Wars create foreign influence in China and how did the Chinese react?

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

The battle of sabine pass is important because? a) it was a stalemate between union and confederate armies. b) it resulted in the largest confederate casualty in the war. c) it marks the failed attempt of the union army to invade the confederate state of texas. d) it was won by the union soldiers and marked a turning point in the western front of the war.

The eastern roman empire is also known as what empire