(1) Three European powers controlled territory in North America in the mid-1700s: Britain controlled the eastern coastline, France controlled the interior lands, and Spain controlled Florida and parts of Mexico. (2) Tensions rose as Britain wanted to expand westward into the Ohio River Valley, threatening French territory. (3) The French and Indian War began in 1754 over territorial disputes, with early victories for France such as building Fort Duquesne. (4) After several British defeats, the tide turned with victories like the capture of Louisbourg and Fort Duquesne. (5) By 1759 France lost control of most of its North American territories, culminating in the British victory at the Battle of Quebec and