Complex sentence: The UFC responded by pouring investment capital into the country, buying controlling shares of the railroad, electric utility, and telegraph, while also winning control of over 40% of the country's best land and de facto control over its only port facility.
Split into simpler sentences: The UFC responded by pouring investment capital into the country, buying controlling shares of the railroad, electric utility, and telegraph. It gained control of more than 40% of the country's best land and "de facto" control over its only port facility.