Dhaka, Jan. 21 -- President Donald Trump's renewed push to acquire Greenland has triggered resistance from Republicans in Congress, with lawmakers increasingly uneasy about US military involvement overseas.

However, it remains uncertain whether enough Republicans would join Democrats to stop a takeover of the island territory, or whether Trump would ignore Congress and move ahead on his own, as he has done repeatedly during a second term marked by deeper US entanglements abroad.

What began as a debate over Greenland has now widened into a broader argument over the Trump administration's unilateral use of military force, as well as diplomatic and economic pressure, to project American power in places such as Venezuela, Iran and beyond. ...