Assertion: conical bullet | /r/CapableOf | show the need
Facets:
value: during that time
type: TEMPORAL
Source sentences:
text: The era of ramming powder and a Minie´ ball down a barrel from the muzzle lasted less than a quarter of a century, but during that time the new conical bullet and the rifled musket had shown the need for armies to develop new tactics that recognized the increased strength of defenders and the slaughter awaiting troops packed into tight linear battle formations.