the president stays in a very fancy, suite
Atlanta Georgia
An American president can serve two 4 year terms. Presidents in other countries have varying terms.
Schengen Visa is given for most European countries except UK and few other countries. You will have to visit the particular country's consulate that you are planning to visit. There is no one place to get the Schengen Visa. If you are visiting multiple countries, then you will have to either go to the first country that you are visiting or the country where you are going to stay the most.
The Monroe Doctrine from President Monroe, the fifth president of the US.
James Monroe
Vikings did not have the right to attack on other countries. They should of stay out of the way.
Depending on your citizenship, it is normal for ALL countries to require visitors to have visas. The shortness of the length of stay is immaterial.
They stay in Providence
They stayed in the homes of thoses they occupied.
isolationism
I know that the Lakers stay at the Four Seasons across from Boston Common, I'm not sure about other teams.
How long a UK resident can stay abroad is up to the country the person is visiting. For example, a UK resident can stay in the United States 3 months without a visa, and longer with one. Some countries will only allow him to stay there two weeks, and many countries require the UK resident to obtain a visa before traveling. The visa will specify how long he may stay.