Were the early spanish guns effective in battle

The effectiveness of the Spanish arquebus (sometimes spelled harquebus), an early and inaccurate matchlock gunpowder weapon, was severely limited in the New World when used in isolation, simply because of its slow rate of fire. Initially, the mere noise and smoke of the Spanish guns could break a native charge.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

        i'm fairly sure that the correct answers are 2 and 3.

        i used both my knowledge of world history and the process of elimination to obtain these answers. option 1 cannot be a possible selection because the mandate of heaven belongs to ancient chinese philosophical belief. option 4 sounds like it would benefit the region than detriment it. however, both 2 and 3 explain a potential reason for what could have contributed to the fall of the roman empire.

      hope this ! if i were you, i'd get a second opinion, because i haven't taken this course for a year. best of luck!

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