Answer:
1. communication improvements
2. Embargo Act of 1807
3. new power sources
Explanation:
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escalated its troop commitment to the conflict.
-Tejano: A texan of Latin American, often Mexican, descent.
-Annex: To add a territory to one's own territory.
-Decree: Official order.
-Barricade: To black off.
Some people say its an accident but i could be wrong try google
Mcdonald’s
easy points here