<span>The answer is The Gold Rush brought treasure seekers, Silver discoveries, entrepreneurs of the banking industry, with the founding of Wells Fargo, development of the Port of San Francisco and the establishment in 1869 of overland access to the eastern U.S. rail system via the newly completed Pacific Railroad helped make the Bay Area a center for trade, immigrant laborers, as the population grew so did the businesses catering to the needs and tastes of the growing population.</span>
The Latin-American states established the Organization of Central American States (ODECA). The reason for this was to promote regional cooperation between the Central American states. This also led to the creation of numerous institutions like the Central American Common Market, Central American Bank for Economic Integration and so on.
That is true. Is there a specific question you have about it?