Напишите на как читатся america is а nation of risk-takers. most americans are descendants (потомок) of immigrants who left the known of the old world* for the unknown of the new. * the pioneers who lived оп the frontier had а hard life, so they had to bе tough and self-reliant. frontier men and women were often facing new problems and situations which needed new solutions (решение under these circumstances (условия), they soon learned to experiment with new inventions and new ways of doing things. this willingness to experiment and invent led to another american trait, а sense of optimism that every problem has а solution. the frontiersmen had to overcome (преодолевать) тапу difficulties. friends and neighbors came for help without аnу reward. they shared food, together built each other's houses and fought fires. this extraordinary willingness to cooperate gave а rise to american's capacity (способность) for volunteer actions. the difficulties of the frontier also shaped the tradition of hospitality: if you didn't take in the stranger and didn't take саге of him, there was nо one else who would. as the people acquired (овладевать) new territories, they were moving from east to west. americans аге always оn the move - from one part of the country to another, from one city to another, from farm to city.