Other countries have amended their constitutions to ban same-sex marriage. However, no other country has first legalized same-sex marriage, then banned it. Furthermore, no other country has first legalized same-sex marriage, then banned it, then repealed the ban. Maine legalized same-sex marriage and then repealed that law before the law went into effect. That is the most similar case.
All the usual modes of transportation that exist in other countries also exist in Australia.
Multinational companies exist so they do businesses with other countries. Multinational countries follows the law and regulations of the countries they work with.
All foods which exist in other European countries.
The same modes of transport that exist in several other countries.
The same modes of transport that exist in several other countries.
plurality vote.
No aliens, in the sense of extraterrestrials, are known and proven to actually exist.
yes, because countries hate each other
Specifically, the proposition 8 (2008) in California which bans gay marriage applies only to California. Other states have had different proposition 8's which deal with different matters, and California has had different proposition 8's in different years.
Not in the USA, no. It's very illegal all across the country. But it does exist in other countries.
In the US, they do not. Requirements for congears to have spring brakes may exist in other countries, however.
"Regardless" is not a proposition; it is an adverb used to show that something is true or will happen despite other things. It does not assert a statement about the truth value of a proposition.