What threat did early americans explorers encounter? select all that apply climate native americans geography spanish french

All of the above

Explanation:

The first explorers of America encountered several threats during their adventure. Climate and geography of new territories might have been difficult specially during extreme winter in northern areas and humid or hot locations near to the tropic zone. Also, they had to face the resistance of Native tribes as they advanced forward.

Spanish and French rivals also were a threat as they were rivals for the territories and clashes with them happened once in a while.

b. second continental congress