Which research question could theodore roosevelt’s speech "conservation as a national duty” answer? why was roosevelt concerned about the state of the environment? which foreign issues did roosevelt address during his presidency? which approaches did roosevelt take on the campaign trail? which economic problems did roosevelt work to change?

The correct option is A.
The speech which President Theodore Roosevelt gave on May 13 1908 was a powerful one which birthed the move of resources conservation in America. The speech was titled ' Conservation as a national duty'. In his speech the president tendered reasons why the natural resources of the country and the environment should be conserved. This speech can be used as a rich source for writing research paper on why the environment should be preserved. In his speech, the president gave reasons why humans should be concerned about the state of their environments.