Your question is not a complete sentence and doesn't make much sense, it's impossible to tell what you want to know from this question.
Secularism.
they believe that federal grants in aid programs interfere in state affairs
congress must not interfere with a state's internal affairs
they believe that federal grants in aid programs interfere in state affairs
they believe that federal grants in aid programs interfere in state affairs
they believe that federal grants in aid programs interfere in state affairs
Unsatisfactory state of affairs in the religion.
Seperation of church an state affairs, and establishment of state governments.
No. In the United States, we have separation of church and state.
The state (or country) should always stay out of the affairs of the church. The church should be free from any restrictions from the state since the head is Christ Himself. This doesn't mean that the church is above the law. The church should obey the law unless the law requires disobedience to God, at which point the church should disobey the law in order to obey God. Any idea of "Separation of Church and State" should be for the church's protection from the state, otherwise the result will be to "kick God out" of the country so to speak and that is never a good thing!
Truman Doctrine: America should interfere to prevent communism. It's obvious: should America, or should they not, interfere with other countries' affairs?
Other ways to say "to meddle" include: to intervene or interfere in the affairs of others; to butt in, to interfere, to interlope, to fiddle, to get caught up in...