Family reunification is a program designed for the same reason... to Gather the family during the waiting time for it to be available to the visa of the family petition has already been approved.
In many cases, this represents an advance of coming to the united States several years before a visa to become available. This program is made specifically for people waiting in Cuba and Haiti. If you have a family member in those countries with a family petition that is not yet available visa, in other words, you can't immigrate to the united States yet, you may be eligible under this program. To qualify you must send a packet to the National Visa Center to participate. Do not stop to learn by taking this step, which can save several years of separation from his family.
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