I believe it is two beats
Hope this helps! :)
Answer:
The end of the ice age
Explanation:
A the end of this age it became a warmer climate so, they could do things easily without freezing.
The new developments in retail sales happened in the late nineteenth century is that retailers started issuing mail order catalogs to extent the millions of people who lived in rural areas. Their huge catalogs were widely issues through the mail. A mail order catalog is a periodical comprising a list of common merchandise from a company. Companies who distribute and function mail order catalogs are mentioned as catalogers contained by the industry. Catalogers buy or manufacture goods then market those goods to prospects. Catalogers may rent names from list brokers or cooperative databases. The catalog aforementioned is accessible in an alike fashion as any magazine publication and disseminated over an assortment of means typically via a postal service and the internet.
gold and resource and impose domination