The lines "Take up our quarrel with the foe: / To you from failing hands we throw The torch;" supports the theme - the living carry on what the dead cannot. The torch signifies the living continuity of the cause they are fighting for. These lines give a challenge to the ones who are still living to not stop but keep going.
I think it might be because or due to, because its talking about how here spirts lift as she enters so it would be something like 'because of....'
hope this helps
Answer: 1.5 billion people speak English.
Explanation: