You are a traditional linguist. where do you think the first proto-indo-european speakers lived? along the mediterranean coast. northern tip of china. southern africa. near the black sea.

Near the Black Sea

Explanation:

It is hypothesized that the proto-Indo-Europeans were a group of people who lived in the steppes of present-day Ukraine, this hypothesis is derived from the linguistic reconstruction of Indo-European languages that are languages that comprise the majority of current languages in Europe and some Iranian and Hindi languages, as well as others.

From this place these people expanded through Europe and part of Asia, this hypothesis is supported by some archaeological and genetic findings in populations present in the territories where languages derived from the proto-Indo European are spoken.

i think its provide for the common defense

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: