Answer:
Buying of shares in a company.
They can buy 6 fossils because 68-40=28 and 28•4 is 6
York, Upper Canada, the name of Old Toronto in Canada between 1793 and 1834. Old York Cellars, a winery in New Jersey. Old York Road, built in the 18th century to connect Philadelphia, Pennsylvania with New York City. Old York, or furthermore known as York, is a town located in the north of England.
Keeping Communism from spreading beyond the countries already under it's influence