Answer:
---Circulate a petition proposing or opposing a law.
False pretense must be interpreted by the courts and some circumstances automatically qualify as a false pretense, such as bigamy, when one of the parties is married already. This breaks the marriage contract and qualifies for a voiding of the marriage. Claiming to be 'with child', is a false pretense if a child is not born within 10 months of marriage. Impotence may qualify for a false pretense ruling under certain circumstances. If the courts decide your marriage should never have taken place then you make seek an annulment. The best advice is to visit a lawyer.
Demographers are scientists who study human populations. They tend to map and understand the dynamics of population, which includes birth, death, and migration. All of these affects population and must be studied by demographers. They may study the population change within a country or the interrelationship of countries' populations, which is mostly necessary in studying migration. However, they could also take specialization. For example, they could study only parts of the population like workers' social pattern. Demographers mainly use statistics in mapping their data.
Command economy mixed economy and traditional economy
