Fur trade the "yasak" (or iasak) tax on natives and the 10% "Sovereign Tithing Tax" imposed on both the catch and sale of fur pelts. Fur was in great demand in Western Europe, especially sable and marten, since European forest resources had been over-hunted and furs had become extremely scarce. Fur trading allowed Russia to purchase from Europe goods that it lacked, like lead, tin, precious metals, textiles, firearms, and sulphur. Russia also traded furs with Ottoman Turkey and other countries in the Middle East in exchange for silk, textiles, spices, and dried fruit. The high prices that sable, black fox, and
Marten new New World clade. The genus first evolved up to seven million years ago during the Miocene epoch. The Modern English "marten" comes from the Middle English "martryn", in turn borrowed from the Anglo-French "martrine" and Old French "martre" (Latin "martes"), itself from a Germanic source; cf. Old English "mearþ", Old Norse "mörðr", and Old High German and Yiddish "". Martens are solitary animals, meeting only to breed in late spring or early summer. Litters of up to five blind and nearly hairless kits are born in early spring. They are weaned after around two months, and leave the mother