Why might it have been valuable to Constantine to claim divine aid in his victory over his rival

How has u. s. participation in international economic development efforts affected other countries? o a. it has made some countries decide they no longer want close ties with the united states. b. it has ended diplomatic ties with countries that refuse to participate. c. it has raised money to poor nations grow their economies. d. it has caused the united states to intervene militarily to stop human rights abuses.

What deadly disease cost many workers their lives before dr. william gorgas found a treatment?

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?