The indo-europeans a. fought long and exhausting wars against the hittites. b. never penetrated europe or india. c. spoke related languages, among which are sanskrit, persian, and greek. d. were the descendants of the mongols and turks. e. originally lived in the western section of the sahara.

c. Spoke related languages, among which are sanskrit, persian, and greek.

The Indo-Europeans were migrant, pastoral people that spoke the Proto-Indo-European language, from about 4000 BC to 1000 BC. Their descendants spread through Europe and parts of Asia, creating new cultures by joining with people they met along the way. These migrations gave rise to most languages in Europe, Greater Iran and the Indian subcontinent. Indo-European languages are, therefore, the largest and most broadly spoken language family in the world.

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.