| A | B |
|---|
| spurred US economic growth early 1900s | WWI & WWII |
| 2nd most common language in US | Spanish |
| tensions between industrilized North & agricultural South cause | American Civil War |
| Canada's largest city | Toronto |
| why Canadians live along border | able to move between US & Canada |
| smallest ethnic group in North America | Native Americans |
| agriculture acres in US | 1 billion |
| acid rain in Canada from | US |
| North American economies based on | high-technology businesses |
| Clear-cutting causes | flooding & erosion |
| car manufacturers reduce emissions | producing fuel-efficient hybrid car |
| US & Canada started with ___ economies | agricultural |
| most economic growth in US & Canada | service industries |
| fight pollution in Great Lakes | Clean Water Act |
