Outline the various steps in the exploration of: (a) the interior of North America; and (b) the Pacific coast

(a) Exploration of the Interior of North America:

1. Early Expeditions: The first step in exploring the interior of North America was carried out by European explorers, such as Christopher Columbus, who arrived in the Caribbean in 1492. However, the interior of the continent remained largely unexplored.

2. River Expeditions: In the 16th and 17th centuries, French and British expeditions started exploring North America by navigating its river systems. For example, French explorers, including Jacques Cartier and Samuel de Champlain, traveled along the St. Lawrence River and explored parts of present-day Canada.

3. Fur Trading and Mapping: The 17th-century fur trade attracted French and British explorers, who ventured deep into North America's interior to establish trade networks with indigenous peoples. These explorers, such as Pierre-Esprit Radisson and Sieur de La Salle, mapped large portions of the Great Lakes region and the Mississippi River.

4. Lewis and Clark Expedition: In the early 19th century, President Thomas Jefferson commissioned the Lewis and Clark expedition (1804-1806) to explore the newly acquired Louisiana Territory and find a route to the Pacific Ocean. Meriwether Lewis and William Clark, along with their team, explored and mapped the western portions of North America, reaching the Pacific Coast.

(b) Exploration of the Pacific Coast:
1. Spanish Exploration: The Spanish Empire was the first to explore and claim the Pacific coast of North America. Spanish explorers, such as Hernán Cortés and Juan Rodríguez Cabrillo, sailed along the coast, claiming territories and establishing settlements. Cabrillo was the first European to discover California in 1542.

2. Russian Exploration: In the 18th and 19th centuries, Russian fur traders explored the Pacific coast of North America, particularly the areas that later became Alaska and the Pacific Northwest. They sailed along the coast, established trading posts, and interacted with the indigenous peoples of the region.

3. British and American Expeditions: As tensions mounted between Britain and Spain in the late 18th century, British expeditions, led by captains James Cook and George Vancouver, explored and mapped the Pacific coast of North America, including present-day British Columbia and Oregon. Later, American explorers, like Lewis and Clark, continued exploring the region.

4. Gold Rush and Settlement: The discovery of gold in California in 1848 triggered a massive influx of settlers and prospectors to the Pacific coast, primarily from the eastern United States. This led to the rapid colonization and exploration of the region and the establishment of cities and towns along the coast.

These steps highlight the major endeavors and events that contributed to the exploration of both the interior of North America and the Pacific coast.