They used mirrors i believe
1999 <span>In 1977, responding to nearly 20 years of
Panamanian protest, U.S. President Jimmy Carter and Panama's General
Omar Torrijos signed two new treaties that replaced the original 1903 agreement and called for a transfer of canal control in <span>1999</span></span>
C because I seen it online and I got the answer right from my teacher
<span>The first nation to build its economy on capitalism was the Netherlands, since it was in fact the Dutch who created the first stock company, in which people could buy shares of companies. </span>
