Question

please answer all questions​

Answer 1

Answer:

1. Historical sources include documents, artifacts, archaeological sites, features. oral transmissions, stone inscriptions, paintings, recorded sounds, images (photographs, motion picture), and oral history. Even ancient relics and ruins, broadly speaking, are historical sources.
2. Primary sources may include diaries, letters, interviews, oral histories, photographs, newspaper articles, government documents, poems, novels, plays, and music.  The collection and analysis of primary sources is central to historical research. -Secondary sources include books and articles about a topic.  They may include lists of sources, i.e. bibliographies, that may lead you to other primary or secondary sources.
3. The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars.

4.Kosala and Magadha coins can be the oldest ones.

Hope it helps.

Answer 2

Answer:

1.oral source

written source.