Mainly just walking thats how they got to places, but if they were lucky they had a horse or cow
"Détente" is the answer you're looking for.
<span> An agreement of members in a society to cooperate on social benefits.</span>
"B. The capitalist<span> system encourages competition among businesses"</span> is correct. Capitalism, although it definitely has flaws, encourages competition because in theory the person or company with the best idea makes the most money.