Answer: kurgans (burial mounds) of the Eurasian steppes. The hypothesis suggests that the Indo-Europeans, a nomadic culture of the Pontic-Caspian steppe (now part of Eastern Ukraine and Southern Russia), expanded in several waves during the 3rd millennium BC.
Explanation:
The most widely accepted proposal about the location of the Proto-Indo-European homeland is the steppe hypothesis, which puts the archaic, early and late PIE homeland in the Pontic–Caspian steppe around 4000 BC. The leading competitor is the Anatolian hypothesis, which puts it in Anatolia around 8000 BC.
Samuel Gompers began the federation of labor.
I would assume it's being obedient to their husbands.
Speaking a language sets human beings from other animals reason being,
1. We can use abstract. For example, future and past.
2. We can borrow words from different languages.
3. We can be able to invent languages.
Linguist refers to a person who uses languages. He is able to analyse the language context, meaning and its form.
Linguist is well known to analyse language of human beings by way of observing a play between the meaning and the sound.
