"We have to admit that, notwithstanding all the efforts in which governments and peoples have participated, no corresponding change has been wrought in the aspect of the world's armaments"

The quote by Henry Campbell-Bannerman reflects the profound aggravation and frustration concerning the absence of considerable development in international disarmament, regardless of collective efforts at global diplomacy and negotiation. Campbell-Bannerman, a British statesman who acted as the Prime Minister of the United Kingdom in the early 20th century, is highlighting an important observation about the perseverance of militarization and the difficulties of achieving meaningful disarmament on the planet.

The expression "notwithstanding all the efforts in which federal governments and individuals have participated" underscores the recognition that there have actually been numerous attempts, likely through diplomacy, peace conferences, and public advocacy, to suppress the escalation of weaponries. This suggests a widespread and possibly positive engagement by both official state actors and civil societies to address what is perceived as an impending global hazard-- the arms race. It implies a commitment and dedication from varied quarters to prompt change and pursue peace, that makes the stagnancy all the more disheartening.

Nevertheless, "no matching change has been operated in the aspect of the world's armaments" indicates a plain and unyielding reality: in spite of these efforts, the worldwide landscape of military capabilities and armament stockpiles stays mostly unchanged. This might be translated as a review of the inefficacy of diplomatic maneuvers or as a recommendation of the intricacy intrinsic in geopolitical and nationwide security interests that typically bypass the suitables of disarmament. It suggests that structural, political, or financial aspects-- such as the military-industrial complex, nationwide defense policies, and worldwide power dynamics-- continue to hinder progress.

Campbell-Bannerman's statement seems to serve both as a lament and a call to action. It highlights the urgency of addressing the systemic problems that perpetuate the arms race and urges a reassessment of strategies and policies that have so far stopped working to attain the preferred result of a safer, less militarized world. This quote resonates with ongoing contemporary disputes on disarmament, showing both historic struggles and the continuing complexity of accomplishing long-lasting global peace and security.