USA HISTORY

Detailed explanation-1: -1. a person who is among those who first enter or settle a region, thus opening it for occupation and development by others. 2. one who is first or among the earliest in any field of inquiry, enterprise, or progress. pioneers in cancer research.

Detailed explanation-2: -a person who is among the first to study or develop something: He was a pioneer in big-band jazz. US history. A pioneer is also a person who is among the first to enter and live in an area, esp.

Detailed explanation-3: -pioneer. / (ˌpaɪəˈnɪə) / noun. a colonist, explorer, or settler of a new land, region, etc.

Detailed explanation-4: -In the figurative usage, a “person who goes first or does something first” also applies to the American English use of “pioneer” to refer to a settler – a person who has migrated to a less occupied area and established permanent residence there, often to colonize the area; as first recorded in English in 1605.

Detailed explanation-5: -A member of a military engineer unit trained to construct or demolish bridges, roads, trenches, etc. One who ventures into unknown or unclaimed territory to settle. A person who goes before, preparing the way for others, as an early settler or a scientist doing exploratory work.