argumentative essay - proszę o sprawdzenie

Wady i zalety organizowania demonstracji w dużych miastach.

Freedom of assembly is one of the most important rights in a democratic society. People can express their objection to the government's decissions or any negative social phenomenon. Without doubt, this right is very positive but many inhabitants of the big city centers claim that the demonstrations are very troublesome for them. What are the advantages and disadvantages of this phenomenon?
The first advantage of organizing demonstrations in the big city centres is the possibility of a greater success of this event. When a place of the demonstration is an agglomeration more people and may notice it. What is more, the centre of the city is easier to reach than a suburb and consequently more people may take part in a demonstration. Thirdly, in the big city centre is often located the seat of the government so there is a big chance that the authorities react to it.
On the other hand, it is generally agreed that a big assembly of people in the city centre can easily turn into a riot and consequently the organizers may lose control of the demonstration. Moreover, the demonstrations cause a big noise and it could be a big trouble for the inhabitants. Last, but not least, a large number of people in the middle of the city may result jams and prevent many people from comuting.
To sum up, organizing demonstrations in the big city centers has many advantages and without doubt bring the best results but the decission to organize it should be though out and made responsibly.

People can express their objection to the government's 'decissions' (blad ortog.) or any negative social phenomenon. Without doubt, this right is very positive (daj przecinek przed slowem 'but' ) but many inhabitants of 'the' (niepotr) big city 'centers' (center-AmE, centre-BrE) claim that the demonstrations are very troublesome for them. What are the advantages and disadvantages of this phenomenon?
The first advantage of organizing demonstrations in 'the' (niepotr) big city 'centres' (hello? co sie stalo, nie mozesz mieszac pomiedzy Amerykanskim a Brytyjskim) is the possibility of a greater success of this event. When a place of the demonstration is 'an' (nie, daj tu inne slowo - cos np. 'pomiedzy') agglomeration more people 'and' (niepotr) may notice it.
Thirdly, in the big city centre THERE is often located the seat of the government so there is a big chance that the authorities (tutaj brakuje modala - pomysl) react to it.
Moreover, the demonstrations cause a 'big' (poszukaj inne slowo tutaj, moze loud/tremendous) noise and it could be a 'big' (nie uzywaj tego slowa 'big' caly czas - szukaj inne, wiecej academickie, np. untold/great) trouble for the inhabitants. Last, but not least, a large number of people in 'the middle of the city' (mozna tez 'in the city centre) may 'result jams' (nie, tam cos brakuje, pomysl) and prevent many people from 'comuting' (ortog).
To sum up, organizing demonstrations in 'the' (niepotr) big city 'centers' (ortog) has many advantages and without doubt bring the best results(przecinek) but the 'decission' (ortog) to organize it should be 'though' (ortog - slowo jest 'thought') out and made responsibly (mozna tez ...should be carefully considered).