No.
Rome was such a big empire that the army would have known invaders were coming long before they got to the city walls.
The boundaries of the Roman Empire were hundreds of miles away from Rome.
Invaders would have been passing through Roman provinces, cities and towns for weeks and even months before they posed a threat to the city.
This would have left military commanders time to draw defensive troops from elsewhere.
The plural form for the noun guard is guards.
Guards
carefully
Yes, the word 'invaders' is a noun, the plural form of the singular noun 'invader, a word for a person or a thing.
The possessive form of "walls" is "walls'." This indicates that something belongs to or is associated with multiple walls. For example, you might say, "The paint on the walls' surface is peeling."
himilayan mountains
s.e.c.u.r.i.t.y
Really!? Security Guards
The plural form of "backsplash" is "backsplashes." This term refers to multiple vertical surfaces typically found behind sinks and stoves in kitchens and bathrooms, designed to protect the walls from water and stains.
External lateral walls can take the form of concrete, brick, stone, glass, or other building materials designed to enclose and protect a structure from the elements. These walls can also incorporate windows, doors, and other architectural features to enhance the aesthetics and functionality of the building.
antibodies
Singular: guardPlural: guards