Answer:
They made tools from stone
South African nationality<span> has been influenced primarily by the racial dynamics that have structured </span>South African<span> society throughout its development. The country's colonial history led to the immigration (or importation) of different racial and ethnic groups into one shared area. Power dispersion and inter-group relations led to European dominance of the state, allowing it to directly shape </span>nationality<span> although not without internal division or influence from the less empowered races.</span>
Although mercantilism in general did good things for trade within European powers, it also led to conflict since it spawned so much competition. For instance many nations did not take well to having tariffs placed on their goods and would therefore go to war.
<span>Divided government likely comes closer. At the founding of the country, there were already divisions in ideas and ideals, such as the Federalists and Anti-Federalists. Having differences in ideas on how to best run the government gives the ability to see problems from multiple angles and look for the most equitable solutions.</span>
The production of steel was entirely crucial to the development of railroads, since the rail lines themselves were made of steel, without which the trains would not be able to move.
