all of them
Not in all places. Some municipalities and/or Counties have ordinances against them . Check with local Animal Control for rules in your area.
rules established for the protection of all people within a society
Each state has different laws (counties have different laws also...called "County Ordinances"-such as "Dry Counties"); check with the state law.
Localities enact ordinances in two ways; referendum or a public vote and city council passes ordinances. Member of the city council are elected by the people.
No. State and federal governments have the authority to enact statutes by their constitutions. Counties and municipalities enact laws that are often referred to as ordinances through authority delegated by the state. See related link.
Countries or Counties?
Cities and Counties do and can control certain permits, however your question is a little to vague to answer any further.
There are no Texas laws concerning swimsuits. Some city/counties may have ordinances against some that are too skimpy.
Laws created by cities are called local ordinances. These ordinances are specific to the jurisdiction of the city and may cover a wide range of topics such as zoning, parking regulations, noise control, and business permits.
ussr
Check your local ordinances, and those of counties/cities nearby. Many places have no restrictions on individuals owning pit bulls.