Answer:
One of the ideas for change is the need for independence, shown in this line:
For my own part, I consider it as nothing less than a question of freedom or slavery . . . .
Another idea for change is the need for people to prepare for war against Britain. Henry thinks it may be the only effective option the American colonies have. That idea is clear in this text:
And what have we to oppose to them? Shall we try argument? Sire, we have been trying that for the last ten years. Have we anything new to offer upon the subject? Nothing.
Step-by-step explanation: