Question

central mexico
? split by the rocky mountains
? original location of the aztec empire
western canada ? contains one of the most important economical states in the united states
french canada ? had long - lasting tensions with the rest of canada

Explanation:

To solve the matching:

1. "Split by the Rocky Mountains" matches Western Canada (Rocky Mountains run through Western Canada).
2. "Original location of the Aztec empire" matches Central Mexico (Aztec empire was centered in central Mexico).
3. "Contains one of the most important economical states in the US" matches West Coast (e.g., California on West Coast is economically vital).
4. "Had long - lasting tensions with rest of Canada" matches French Canada (French - speaking Quebec in French Canada has had tensions with English - speaking Canada).

Answer:

1. Western Canada - Split by the Rocky Mountains
2. Central Mexico - Original location of the Aztec empire
3. West Coast - Contains one of the most important economical states in the United States
4. French Canada - Had long - lasting tensions with the rest of Canada