Which countries border the nation of Bhutan?

Which of the following countries share a border with Poland? Which of the following countries share a border with South Korea? Which of the following countries share a border with Canada? What countries share a border with the nation of Laos? Which countries border the nation of Honduras? What countries share a border with the nation of Zambia? Which of the following countries does NOT share a border with Brazil? What is the approximate population of Sri Lanka?