Answer: mammoth bones and animal skins
Explanation: The earliest human dwellings discovered in today’s Ukraine dating to 14,000 B.C. were constructed from mammoth bones and animal skins.
This is homework help, not ‘write my essay for me.’ You need to do it yourself. As for propaganda posters, their main function is to get people to believe a specific thing.
Workers had gained better working conditions this is what the Gompers see as the benefit of joining a union. A union is an action of uniting of joined and it is also an organized association formed to protect their rights and interest.