This is good news for you and your family if both you and your spouse were born in an eligible country AND you and your spouse both meet the education OR work experience requirements, because this means that you can double your chances of being randomly selected as a winner by each submitting a separate application to the DV-Lottery.
When applying for your U.S. visa, you must submit a police certificate at your visa interview if you or any other family member who is applying for a visa is over the age of sixteen years. Former and present residents of the U.S. do not need to take this step.
The Immigration and Nationality Act of 1965 eliminated national origin, race, and ethnicity from the immigration process. Instead, a certain number of Green Cards were made available for people from each country. Families already in the United States were then allowed to request for family members living overseas to get a Green Card so they could live in America. Unfortunately, there was no program such as the USAFIS available at that time to help people get their Green Cards.