Washington? As in the state of Washington? For that you don't need a Washington visa but a U.S visa, any state requires a U.S visa, and to get that you need to go to the embassy and obtain one. Call your local U.S embassy and get an interview set up. Don't forget to ask what documents you need to bring with you.
Yes, pre-clearence is required for Pakistani Nationals.
Yes
To enter in Romania with a passport from Philippines you need the Romanian visa. See the links below for details.
You will require a passport for an international flight, and some form of official government identification (with a photograph) for any type of flight.
no officials of Pakistan not required a visa. they just bought a ticket and get fly.
If you are traveling from outside Mexico, all cities you travel to require a passport.
Yes you will require a passport if you are flying.
Crossing the Canadian border would require a driver's license and passport.
It does not require a passport to travel to Hawaii.
definitely after 9/11. laws are more stringest and places that used to not require a passport now require a passport.
UK passport holders require 6 months left on their passport
A passport is an official document that confirms to others, particularly officials in other countries, that you are the person named and a citizen of the country which issued the passport. In most cases you require a passport when travelling abroad. Citizenship is being a legally defined member of a particular country, with all the rights and duties of membership of that country.