Final answer:
Modern armies use armor for protection, enhanced effectiveness, and survivability in combat.
Step-by-step explanation:
Modern armies still use armor for a variety of reasons. First and foremost, armor provides protection for soldiers on the battlefield. It can help to prevent injuries and fatalities from enemy attacks, such as bullets, shrapnel, or explosive devices. Additionally, armor can provide a psychological advantage by making soldiers feel safer and more confident.
Moreover, armor can enhance the effectiveness of soldiers in combat. It allows them to withstand enemy fire and continue to engage in battle. Armor can also carry various equipment and weaponry, improving the mobility and firepower of troops on the ground.
Lastly, armor remains relevant in modern warfare due to the presence of threats like improvised explosive devices (IEDs) and mines. Armored vehicles can withstand these explosive devices better than lighter vehicles, increasing the survivability of soldiers.